Home / 156,288,607.03-234,454,468.53-90,740,614.42

Finding the Fourth Proportional to 156,288,607.03, 234,454,468.53 and 90,740,614.42

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Solution

The fourth proportional to 156,288,607.03, 234,454,468.53 and 90,740,614.42 is: 136,123,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,607.03 : 234,454,468.53 = 90,740,614.42 : x
  2. Step 2: Convert to fraction form
    156,288,607.03/234,454,468.53 = 90,740,614.42/x
  3. Step 3: Cross multiply
    156,288,607.03x = 234,454,468.53 × 90,740,614.42
  4. Step 4: Simplify right side
    156,288,607.03x = 21,274,542,527,926,756
  5. Step 5: Solve for x
    x = 21,274,542,527,926,756/156,288,607.03
  6. Step 6: Final answer
    x = 136,123,438.12

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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.