Home / 54,305,934.30-81,458,901.45-20,220,227.10

Finding the Fourth Proportional to 54,305,934.30, 81,458,901.45 and 20,220,227.10

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Solution

The fourth proportional to 54,305,934.30, 81,458,901.45 and 20,220,227.10 is: 30,330,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305,934.30 : 81,458,901.45 = 20,220,227.10 : x
  2. Step 2: Convert to fraction form
    54,305,934.30/81,458,901.45 = 20,220,227.10/x
  3. Step 3: Cross multiply
    54,305,934.30x = 81,458,901.45 × 20,220,227.10
  4. Step 4: Simplify right side
    54,305,934.30x = 1,647,117,486,635,519.50
  5. Step 5: Solve for x
    x = 1,647,117,486,635,519.50/54,305,934.30
  6. Step 6: Final answer
    x = 30,330,340.65

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Double scale
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Similar ratio
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1.5x scale

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.