Home / 327,629,781.90-491,444,672.85-155,442,897.90

Finding the Fourth Proportional to 327,629,781.90, 491,444,672.85 and 155,442,897.90

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Solution

The fourth proportional to 327,629,781.90, 491,444,672.85 and 155,442,897.90 is: 233,164,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629,781.90 : 491,444,672.85 = 155,442,897.90 : x
  2. Step 2: Convert to fraction form
    327,629,781.90/491,444,672.85 = 155,442,897.90/x
  3. Step 3: Cross multiply
    327,629,781.90x = 491,444,672.85 × 155,442,897.90
  4. Step 4: Simplify right side
    327,629,781.90x = 76,391,584,105,321,456
  5. Step 5: Solve for x
    x = 76,391,584,105,321,456/327,629,781.90
  6. Step 6: Final answer
    x = 233,164,346.85

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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.