Ratio and Proportion: 100: 2 :: 60: X

A.

X=1.2

B.

X=12

C.

X=1.6

D.

X=2.2

To solve the ratio and proportion problem 100:2::60:X100:2 :: 60:X100:2::60:X, follow these steps:

1. Set up the proportion based on the given ratios:1002=60X\frac{100}{2} = \frac{60}{X}2100​=X60​
2. Solve for XXX by cross-multiplying:100⋅X=2⋅60100 \cdot X = 2 \cdot 60100⋅X=2⋅60 100X=120100X = 120100X=120 X=120100=1.2X = \frac{120}{100} = 1.2X=100120​=1.2

So, the value of XXX is:

A. 1.2