Finding the Fourth Proportional to 168,995,909.84, 253,057,290.42 and 116,635,150.17
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Solution
The fourth proportional to 168,995,909.84, 253,057,290.42 and 116,635,150.17 is: 174,651,416.70
Step by Step Solution
- Step 1: Write the proportion equation
168,995,909.84 : 253,057,290.42 = 116,635,150.17 : x - Step 2: Convert to fraction form
168,995,909.84/253,057,290.42 = 116,635,150.17/x - Step 3: Cross multiply
168,995,909.84x = 253,057,290.42 × 116,635,150.17 - Step 4: Simplify right side
168,995,909.84x = 29,515,375,069,750,000 - Step 5: Solve for x
x = 29,515,375,069,750,000/168,995,909.84 - Step 6: Final answer
x = 174,651,416.70
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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.