Home / 54,577,965.92-81,865,824.72-18,188,998.88

Finding the Fourth Proportional to 54,577,965.92, 81,865,824.72 and 18,188,998.88

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Solution

The fourth proportional to 54,577,965.92, 81,865,824.72 and 18,188,998.88 is: 27,283,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,577,965.92 : 81,865,824.72 = 18,188,998.88 : x
  2. Step 2: Convert to fraction form
    54,577,965.92/81,865,824.72 = 18,188,998.88/x
  3. Step 3: Cross multiply
    54,577,965.92x = 81,865,824.72 × 18,188,998.88
  4. Step 4: Simplify right side
    54,577,965.92x = 1,489,057,394,142,356.25
  5. Step 5: Solve for x
    x = 1,489,057,394,142,356.25/54,577,965.92
  6. Step 6: Final answer
    x = 27,283,123.68

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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.