With the recent acquisition of Motorola mobility by Google for an very huge price of $12.5 Billion which is one of the biggest and most expensive acquisitions ever done by Google.Google has acquired more than 100 companies in the past 10 years.You would be more curious to know the greatest acquisitions by Google. Lets have a look at the top 5 greatest acquisitions by Google.

#1-Motorola Mobility- $12.5 Billion

The Search Engine Giant made an open offer of $40 per share to the Mobile phone manufacturer Motorola mobility on August 15 Monday morning and acquired it for $12.5 billion as the deal was accepted by Motorola.This one of the Biggest acquisitions by Google.

#2-DoubleClick -$3.1 Billion

In April 2007,Google buys DoubleClick for an huge price of $3.1 billion to increase and improve its advertising services for adsense and creating support for adsense.

#3-You Tube -$1.65 Billion

In Early october 2006,Google gave an surprise to all its competitors by acquiring the video Giant YouTube for a whooping price of $1.65 Billion it came as shocking news for all the companies.YouTube is an Google Subsidiary.

#4-AdMob -$750 Million

Google purchased Advertising company AdMob for $750 Million to improve its Mobile advertising solutions.

#5-ITA Software-$700 Million

In July 2010,Google bought the travel industry software company for $700 Million to expand its business.Google uses ITA software to optimize its travel and flight search.