Home / 66,125,721.92-99,189,599.90-25,187,443.88

Finding the Fourth Proportional to 66,125,721.92, 99,189,599.90 and 25,187,443.88

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Solution

The fourth proportional to 66,125,721.92, 99,189,599.90 and 25,187,443.88 is: 37,781,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125,721.92 : 99,189,599.90 = 25,187,443.88 : x
  2. Step 2: Convert to fraction form
    66,125,721.92/99,189,599.90 = 25,187,443.88/x
  3. Step 3: Cross multiply
    66,125,721.92x = 99,189,599.90 × 25,187,443.88
  4. Step 4: Simplify right side
    66,125,721.92x = 2,498,332,480,339,018.50
  5. Step 5: Solve for x
    x = 2,498,332,480,339,018.50/66,125,721.92
  6. Step 6: Final answer
    x = 37,781,553.20

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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.