Moores law states that the number of transistors per integrated circuit, which indicates the processing power of a computer, doubles every year. The graph below shows information about the processing power of a computer by year.

Colin gets pic 'n mix when at the cinema and makes his bag up with 3 types of sweet. He picks 3 times as many cola bottles as smarties. He also picks twice as many smarties as marshmallows. What proportion of the bag of sweets are cola bottles?
Give your answer in its simplest format