Home / 156,288,607.53-234,454,469.28-90,740,614.92

Finding the Fourth Proportional to 156,288,607.53, 234,454,469.28 and 90,740,614.92

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Solution

The fourth proportional to 156,288,607.53, 234,454,469.28 and 90,740,614.92 is: 136,123,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,607.53 : 234,454,469.28 = 90,740,614.92 : x
  2. Step 2: Convert to fraction form
    156,288,607.53/234,454,469.28 = 90,740,614.92/x
  3. Step 3: Cross multiply
    156,288,607.53x = 234,454,469.28 × 90,740,614.92
  4. Step 4: Simplify right side
    156,288,607.53x = 21,274,542,713,209,452
  5. Step 5: Solve for x
    x = 21,274,542,713,209,452/156,288,607.53
  6. Step 6: Final answer
    x = 136,123,438.87

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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.