Home / 84,253,731.03-126,371,542.32-57,134,099.97

Finding the Fourth Proportional to 84,253,731.03, 126,371,542.32 and 57,134,099.97

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Solution

The fourth proportional to 84,253,731.03, 126,371,542.32 and 57,134,099.97 is: 85,695,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,253,731.03 : 126,371,542.32 = 57,134,099.97 : x
  2. Step 2: Convert to fraction form
    84,253,731.03/126,371,542.32 = 57,134,099.97/x
  3. Step 3: Cross multiply
    84,253,731.03x = 126,371,542.32 × 57,134,099.97
  4. Step 4: Simplify right side
    84,253,731.03x = 7,220,124,332,273,965
  5. Step 5: Solve for x
    x = 7,220,124,332,273,965/84,253,731.03
  6. Step 6: Final answer
    x = 85,695,010.11

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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.