Home / 252,503,839.28-348,695,956.12-238,747,587.40

Finding the Fourth Proportional to 252,503,839.28, 348,695,956.12 and 238,747,587.40

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Solution

The fourth proportional to 252,503,839.28, 348,695,956.12 and 238,747,587.40 is: 329,699,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,503,839.28 : 348,695,956.12 = 238,747,587.40 : x
  2. Step 2: Convert to fraction form
    252,503,839.28/348,695,956.12 = 238,747,587.40/x
  3. Step 3: Cross multiply
    252,503,839.28x = 348,695,956.12 × 238,747,587.40
  4. Step 4: Simplify right side
    252,503,839.28x = 83,250,318,259,786,272
  5. Step 5: Solve for x
    x = 83,250,318,259,786,272/252,503,839.28
  6. Step 6: Final answer
    x = 329,699,217.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.