Home / 159,489,947.10-239,234,920.65-86,930,535.90

Finding the Fourth Proportional to 159,489,947.10, 239,234,920.65 and 86,930,535.90

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Solution

The fourth proportional to 159,489,947.10, 239,234,920.65 and 86,930,535.90 is: 130,395,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,489,947.10 : 239,234,920.65 = 86,930,535.90 : x
  2. Step 2: Convert to fraction form
    159,489,947.10/239,234,920.65 = 86,930,535.90/x
  3. Step 3: Cross multiply
    159,489,947.10x = 239,234,920.65 × 86,930,535.90
  4. Step 4: Simplify right side
    159,489,947.10x = 20,796,819,858,098,480
  5. Step 5: Solve for x
    x = 20,796,819,858,098,480/159,489,947.10
  6. Step 6: Final answer
    x = 130,395,803.85

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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.