Home / 159,930,228.76-239,895,343.05-38,761,680.76

Finding the Fourth Proportional to 159,930,228.76, 239,895,343.05 and 38,761,680.76

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Solution

The fourth proportional to 159,930,228.76, 239,895,343.05 and 38,761,680.76 is: 58,142,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,930,228.76 : 239,895,343.05 = 38,761,680.76 : x
  2. Step 2: Convert to fraction form
    159,930,228.76/239,895,343.05 = 38,761,680.76/x
  3. Step 3: Cross multiply
    159,930,228.76x = 239,895,343.05 × 38,761,680.76
  4. Step 4: Simplify right side
    159,930,228.76x = 9,298,746,703,114,784
  5. Step 5: Solve for x
    x = 9,298,746,703,114,784/159,930,228.76
  6. Step 6: Final answer
    x = 58,142,521.12

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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.