Finding the Fourth Proportional to 190,512,272.52, 285,776,157.99 and 90,750,629.70
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Solution
The fourth proportional to 190,512,272.52, 285,776,157.99 and 90,750,629.70 is: 136,129,635.89
Step by Step Solution
- Step 1: Write the proportion equation
190,512,272.52 : 285,776,157.99 = 90,750,629.70 : x - Step 2: Convert to fraction form
190,512,272.52/285,776,157.99 = 90,750,629.70/x - Step 3: Cross multiply
190,512,272.52x = 285,776,157.99 × 90,750,629.70 - Step 4: Simplify right side
190,512,272.52x = 25,934,366,290,839,188 - Step 5: Solve for x
x = 25,934,366,290,839,188/190,512,272.52 - Step 6: Final answer
x = 136,129,635.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.