Home / 247,718,691.10-371,566,226.85-83,940,384.70

Finding the Fourth Proportional to 247,718,691.10, 371,566,226.85 and 83,940,384.70

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Solution

The fourth proportional to 247,718,691.10, 371,566,226.85 and 83,940,384.70 is: 125,906,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718,691.10 : 371,566,226.85 = 83,940,384.70 : x
  2. Step 2: Convert to fraction form
    247,718,691.10/371,566,226.85 = 83,940,384.70/x
  3. Step 3: Cross multiply
    247,718,691.10x = 371,566,226.85 × 83,940,384.70
  4. Step 4: Simplify right side
    247,718,691.10x = 31,189,412,023,316,472
  5. Step 5: Solve for x
    x = 31,189,412,023,316,472/247,718,691.10
  6. Step 6: Final answer
    x = 125,906,575.26

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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.