Home / 86,098,257.28-129,079,184.32-42,945,248.08

Finding the Fourth Proportional to 86,098,257.28, 129,079,184.32 and 42,945,248.08

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Solution

The fourth proportional to 86,098,257.28, 129,079,184.32 and 42,945,248.08 is: 64,383,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,098,257.28 : 129,079,184.32 = 42,945,248.08 : x
  2. Step 2: Convert to fraction form
    86,098,257.28/129,079,184.32 = 42,945,248.08/x
  3. Step 3: Cross multiply
    86,098,257.28x = 129,079,184.32 × 42,945,248.08
  4. Step 4: Simplify right side
    86,098,257.28x = 5,543,337,592,586,446
  5. Step 5: Solve for x
    x = 5,543,337,592,586,446/86,098,257.28
  6. Step 6: Final answer
    x = 64,383,853.61

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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.