Home / 72,523,723.43-108,789,845.54-20,704,344

Finding the Fourth Proportional to 72,523,723.43, 108,789,845.54 and 20,704,344

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Solution

The fourth proportional to 72,523,723.43, 108,789,845.54 and 20,704,344 is: 31,057,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,523,723.43 : 108,789,845.54 = 20,704,344 : x
  2. Step 2: Convert to fraction form
    72,523,723.43/108,789,845.54 = 20,704,344/x
  3. Step 3: Cross multiply
    72,523,723.43x = 108,789,845.54 × 20,704,344
  4. Step 4: Simplify right side
    72,523,723.43x = 2,252,422,385,663,504
  5. Step 5: Solve for x
    x = 2,252,422,385,663,504/72,523,723.43
  6. Step 6: Final answer
    x = 31,057,732.27

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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.