Home / 157,777,064.97-217,753,979.22-90,794,646.54

Finding the Fourth Proportional to 157,777,064.97, 217,753,979.22 and 90,794,646.54

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Solution

The fourth proportional to 157,777,064.97, 217,753,979.22 and 90,794,646.54 is: 125,309,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,064.97 : 217,753,979.22 = 90,794,646.54 : x
  2. Step 2: Convert to fraction form
    157,777,064.97/217,753,979.22 = 90,794,646.54/x
  3. Step 3: Cross multiply
    157,777,064.97x = 217,753,979.22 × 90,794,646.54
  4. Step 4: Simplify right side
    157,777,064.97x = 19,770,895,575,958,408
  5. Step 5: Solve for x
    x = 19,770,895,575,958,408/157,777,064.97
  6. Step 6: Final answer
    x = 125,309,059.21

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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.