Home / 126,002,472.43-173,921,843.50-73,092,550.92

Finding the Fourth Proportional to 126,002,472.43, 173,921,843.50 and 73,092,550.92

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Solution

The fourth proportional to 126,002,472.43, 173,921,843.50 and 73,092,550.92 is: 100,890,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,002,472.43 : 173,921,843.50 = 73,092,550.92 : x
  2. Step 2: Convert to fraction form
    126,002,472.43/173,921,843.50 = 73,092,550.92/x
  3. Step 3: Cross multiply
    126,002,472.43x = 173,921,843.50 × 73,092,550.92
  4. Step 4: Simplify right side
    126,002,472.43x = 12,712,391,202,124,022
  5. Step 5: Solve for x
    x = 12,712,391,202,124,022/126,002,472.43
  6. Step 6: Final answer
    x = 100,890,013.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.