Home / 87,950,970.03-121,321,912.20-54,853,758.43

Finding the Fourth Proportional to 87,950,970.03, 121,321,912.20 and 54,853,758.43

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Solution

The fourth proportional to 87,950,970.03, 121,321,912.20 and 54,853,758.43 is: 75,666,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950,970.03 : 121,321,912.20 = 54,853,758.43 : x
  2. Step 2: Convert to fraction form
    87,950,970.03/121,321,912.20 = 54,853,758.43/x
  3. Step 3: Cross multiply
    87,950,970.03x = 121,321,912.20 × 54,853,758.43
  4. Step 4: Simplify right side
    87,950,970.03x = 6,654,962,864,084,470
  5. Step 5: Solve for x
    x = 6,654,962,864,084,470/87,950,970.03
  6. Step 6: Final answer
    x = 75,666,736.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.