Home / 257,580,805.34-386,182,839.78-82,604,238.48

Finding the Fourth Proportional to 257,580,805.34, 386,182,839.78 and 82,604,238.48

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Solution

The fourth proportional to 257,580,805.34, 386,182,839.78 and 82,604,238.48 is: 123,845,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,580,805.34 : 386,182,839.78 = 82,604,238.48 : x
  2. Step 2: Convert to fraction form
    257,580,805.34/386,182,839.78 = 82,604,238.48/x
  3. Step 3: Cross multiply
    257,580,805.34x = 386,182,839.78 × 82,604,238.48
  4. Step 4: Simplify right side
    257,580,805.34x = 31,900,339,394,070,748
  5. Step 5: Solve for x
    x = 31,900,339,394,070,748/257,580,805.34
  6. Step 6: Final answer
    x = 123,845,949.44

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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.