Home / 411,818,230.62-617,750,691.52-131,723,747.55

Finding the Fourth Proportional to 411,818,230.62, 617,750,691.52 and 131,723,747.55

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Solution

The fourth proportional to 411,818,230.62, 617,750,691.52 and 131,723,747.55 is: 197,593,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,818,230.62 : 617,750,691.52 = 131,723,747.55 : x
  2. Step 2: Convert to fraction form
    411,818,230.62/617,750,691.52 = 131,723,747.55/x
  3. Step 3: Cross multiply
    411,818,230.62x = 617,750,691.52 × 131,723,747.55
  4. Step 4: Simplify right side
    411,818,230.62x = 81,372,436,138,618,400
  5. Step 5: Solve for x
    x = 81,372,436,138,618,400/411,818,230.62
  6. Step 6: Final answer
    x = 197,593,088.62

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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.