Home / 125,193,343.79-172,787,502.54-69,456,721.36

Finding the Fourth Proportional to 125,193,343.79, 172,787,502.54 and 69,456,721.36

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Solution

The fourth proportional to 125,193,343.79, 172,787,502.54 and 69,456,721.36 is: 95,861,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,193,343.79 : 172,787,502.54 = 69,456,721.36 : x
  2. Step 2: Convert to fraction form
    125,193,343.79/172,787,502.54 = 69,456,721.36/x
  3. Step 3: Cross multiply
    125,193,343.79x = 172,787,502.54 × 69,456,721.36
  4. Step 4: Simplify right side
    125,193,343.79x = 12,001,253,419,049,248
  5. Step 5: Solve for x
    x = 12,001,253,419,049,248/125,193,343.79
  6. Step 6: Final answer
    x = 95,861,753.16

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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.