Home / 103,981,517.01-143,498,976.39-57,571,769.55

Finding the Fourth Proportional to 103,981,517.01, 143,498,976.39 and 57,571,769.55

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Solution

The fourth proportional to 103,981,517.01, 143,498,976.39 and 57,571,769.55 is: 79,451,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,981,517.01 : 143,498,976.39 = 57,571,769.55 : x
  2. Step 2: Convert to fraction form
    103,981,517.01/143,498,976.39 = 57,571,769.55/x
  3. Step 3: Cross multiply
    103,981,517.01x = 143,498,976.39 × 57,571,769.55
  4. Step 4: Simplify right side
    103,981,517.01x = 8,261,489,999,385,970
  5. Step 5: Solve for x
    x = 8,261,489,999,385,970/103,981,517.01
  6. Step 6: Final answer
    x = 79,451,524.05

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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.