Home / 158,227,167.28-218,298,845.82-99,494,301.76

Finding the Fourth Proportional to 158,227,167.28, 218,298,845.82 and 99,494,301.76

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Solution

The fourth proportional to 158,227,167.28, 218,298,845.82 and 99,494,301.76 is: 137,267,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,227,167.28 : 218,298,845.82 = 99,494,301.76 : x
  2. Step 2: Convert to fraction form
    158,227,167.28/218,298,845.82 = 99,494,301.76/x
  3. Step 3: Cross multiply
    158,227,167.28x = 218,298,845.82 × 99,494,301.76
  4. Step 4: Simplify right side
    158,227,167.28x = 21,719,491,239,874,796
  5. Step 5: Solve for x
    x = 21,719,491,239,874,796/158,227,167.28
  6. Step 6: Final answer
    x = 137,267,775.27

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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.