Home / 278,745,610.32-418,174,227.72-156,098,344.08

Finding the Fourth Proportional to 278,745,610.32, 418,174,227.72 and 156,098,344.08

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Solution

The fourth proportional to 278,745,610.32, 418,174,227.72 and 156,098,344.08 is: 234,178,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,745,610.32 : 418,174,227.72 = 156,098,344.08 : x
  2. Step 2: Convert to fraction form
    278,745,610.32/418,174,227.72 = 156,098,344.08/x
  3. Step 3: Cross multiply
    278,745,610.32x = 418,174,227.72 × 156,098,344.08
  4. Step 4: Simplify right side
    278,745,610.32x = 65,276,304,484,024,840
  5. Step 5: Solve for x
    x = 65,276,304,484,024,840/278,745,610.32
  6. Step 6: Final answer
    x = 234,178,771.14

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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.