Finding the Fourth Proportional to 138,527,001.13, 207,376,240.14 and 83,773,881.49
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Solution
The fourth proportional to 138,527,001.13, 207,376,240.14 and 83,773,881.49 is: 125,410,298.52
Step by Step Solution
- Step 1: Write the proportion equation
138,527,001.13 : 207,376,240.14 = 83,773,881.49 : x - Step 2: Convert to fraction form
138,527,001.13/207,376,240.14 = 83,773,881.49/x - Step 3: Cross multiply
138,527,001.13x = 207,376,240.14 × 83,773,881.49 - Step 4: Simplify right side
138,527,001.13x = 17,372,712,565,330,138 - Step 5: Solve for x
x = 17,372,712,565,330,138/138,527,001.13 - Step 6: Final answer
x = 125,410,298.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.