Home / 156,288,609.53-234,454,472.28-90,740,616.92

Finding the Fourth Proportional to 156,288,609.53, 234,454,472.28 and 90,740,616.92

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Solution

The fourth proportional to 156,288,609.53, 234,454,472.28 and 90,740,616.92 is: 136,123,441.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,609.53 : 234,454,472.28 = 90,740,616.92 : x
  2. Step 2: Convert to fraction form
    156,288,609.53/234,454,472.28 = 90,740,616.92/x
  3. Step 3: Cross multiply
    156,288,609.53x = 234,454,472.28 × 90,740,616.92
  4. Step 4: Simplify right side
    156,288,609.53x = 21,274,543,454,340,240
  5. Step 5: Solve for x
    x = 21,274,543,454,340,240/156,288,609.53
  6. Step 6: Final answer
    x = 136,123,441.87

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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.