Home / 49,331,029.20-73,992,857.40-20,569,736.40

Finding the Fourth Proportional to 49,331,029.20, 73,992,857.40 and 20,569,736.40

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Solution

The fourth proportional to 49,331,029.20, 73,992,857.40 and 20,569,736.40 is: 30,853,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,331,029.20 : 73,992,857.40 = 20,569,736.40 : x
  2. Step 2: Convert to fraction form
    49,331,029.20/73,992,857.40 = 20,569,736.40/x
  3. Step 3: Cross multiply
    49,331,029.20x = 73,992,857.40 × 20,569,736.40
  4. Step 4: Simplify right side
    49,331,029.20x = 1,522,013,572,200,789.25
  5. Step 5: Solve for x
    x = 1,522,013,572,200,789.25/49,331,029.20
  6. Step 6: Final answer
    x = 30,853,067.47

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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.