Home / 54,224,092.20-81,336,138.30-18,321,781.80

Finding the Fourth Proportional to 54,224,092.20, 81,336,138.30 and 18,321,781.80

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Solution

The fourth proportional to 54,224,092.20, 81,336,138.30 and 18,321,781.80 is: 27,482,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,224,092.20 : 81,336,138.30 = 18,321,781.80 : x
  2. Step 2: Convert to fraction form
    54,224,092.20/81,336,138.30 = 18,321,781.80/x
  3. Step 3: Cross multiply
    54,224,092.20x = 81,336,138.30 × 18,321,781.80
  4. Step 4: Simplify right side
    54,224,092.20x = 1,490,222,978,387,223
  5. Step 5: Solve for x
    x = 1,490,222,978,387,223/54,224,092.20
  6. Step 6: Final answer
    x = 27,482,672.70

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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.