Home / 54,376,805.20-81,565,207.80-38,220,998.80

Finding the Fourth Proportional to 54,376,805.20, 81,565,207.80 and 38,220,998.80

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Solution

The fourth proportional to 54,376,805.20, 81,565,207.80 and 38,220,998.80 is: 57,331,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376,805.20 : 81,565,207.80 = 38,220,998.80 : x
  2. Step 2: Convert to fraction form
    54,376,805.20/81,565,207.80 = 38,220,998.80/x
  3. Step 3: Cross multiply
    54,376,805.20x = 81,565,207.80 × 38,220,998.80
  4. Step 4: Simplify right side
    54,376,805.20x = 3,117,503,709,445,550.50
  5. Step 5: Solve for x
    x = 3,117,503,709,445,550.50/54,376,805.20
  6. Step 6: Final answer
    x = 57,331,498.20

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Double scale
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Similar ratio
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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.