Home / 422,024,789.20-633,149,158.20-149,367,125.20

Finding the Fourth Proportional to 422,024,789.20, 633,149,158.20 and 149,367,125.20

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Solution

The fourth proportional to 422,024,789.20, 633,149,158.20 and 149,367,125.20 is: 224,090,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,024,789.20 : 633,149,158.20 = 149,367,125.20 : x
  2. Step 2: Convert to fraction form
    422,024,789.20/633,149,158.20 = 149,367,125.20/x
  3. Step 3: Cross multiply
    422,024,789.20x = 633,149,158.20 × 149,367,125.20
  4. Step 4: Simplify right side
    422,024,789.20x = 94,571,669,583,134,000
  5. Step 5: Solve for x
    x = 94,571,669,583,134,000/422,024,789.20
  6. Step 6: Final answer
    x = 224,090,318.87

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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.