Finding the Fourth Proportional to 79,251,757.20, 118,881,372.51 and 65,393,011.13
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Solution
The fourth proportional to 79,251,757.20, 118,881,372.51 and 65,393,011.13 is: 98,092,599.96
Step by Step Solution
- Step 1: Write the proportion equation
79,251,757.20 : 118,881,372.51 = 65,393,011.13 : x - Step 2: Convert to fraction form
79,251,757.20/118,881,372.51 = 65,393,011.13/x - Step 3: Cross multiply
79,251,757.20x = 118,881,372.51 × 65,393,011.13 - Step 4: Simplify right side
79,251,757.20x = 7,774,010,915,101,700 - Step 5: Solve for x
x = 7,774,010,915,101,700/79,251,757.20 - Step 6: Final answer
x = 98,092,599.96
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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.