Home / 52,354,086.40-78,428,965.92-40,785,385.22

Finding the Fourth Proportional to 52,354,086.40, 78,428,965.92 and 40,785,385.22

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Solution

The fourth proportional to 52,354,086.40, 78,428,965.92 and 40,785,385.22 is: 61,098,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,354,086.40 : 78,428,965.92 = 40,785,385.22 : x
  2. Step 2: Convert to fraction form
    52,354,086.40/78,428,965.92 = 40,785,385.22/x
  3. Step 3: Cross multiply
    52,354,086.40x = 78,428,965.92 × 40,785,385.22
  4. Step 4: Simplify right side
    52,354,086.40x = 3,198,755,587,873,051
  5. Step 5: Solve for x
    x = 3,198,755,587,873,051/52,354,086.40
  6. Step 6: Final answer
    x = 61,098,489.31

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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.