Home / 418,440,230.10-627,660,345.15-131,225,433.30

Finding the Fourth Proportional to 418,440,230.10, 627,660,345.15 and 131,225,433.30

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Solution

The fourth proportional to 418,440,230.10, 627,660,345.15 and 131,225,433.30 is: 196,838,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,440,230.10 : 627,660,345.15 = 131,225,433.30 : x
  2. Step 2: Convert to fraction form
    418,440,230.10/627,660,345.15 = 131,225,433.30/x
  3. Step 3: Cross multiply
    418,440,230.10x = 627,660,345.15 × 131,225,433.30
  4. Step 4: Simplify right side
    418,440,230.10x = 82,365,000,757,536,304
  5. Step 5: Solve for x
    x = 82,365,000,757,536,304/418,440,230.10
  6. Step 6: Final answer
    x = 196,838,149.95

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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.