Finding the Fourth Proportional to 100,504,497, 138,712,660.18 and 83,732,639.42
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Solution
The fourth proportional to 100,504,497, 138,712,660.18 and 83,732,639.42 is: 115,564,750.88
Step by Step Solution
- Step 1: Write the proportion equation
100,504,497 : 138,712,660.18 = 83,732,639.42 : x - Step 2: Convert to fraction form
100,504,497/138,712,660.18 = 83,732,639.42/x - Step 3: Cross multiply
100,504,497x = 138,712,660.18 × 83,732,639.42 - Step 4: Simplify right side
100,504,497x = 11,614,777,157,840,934 - Step 5: Solve for x
x = 11,614,777,157,840,934/100,504,497 - Step 6: Final answer
x = 115,564,750.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.