Home / 81,752,770.17-122,108,003.75-73,959,716.97

Finding the Fourth Proportional to 81,752,770.17, 122,108,003.75 and 73,959,716.97

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Solution

The fourth proportional to 81,752,770.17, 122,108,003.75 and 73,959,716.97 is: 110,468,102.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752,770.17 : 122,108,003.75 = 73,959,716.97 : x
  2. Step 2: Convert to fraction form
    81,752,770.17/122,108,003.75 = 73,959,716.97/x
  3. Step 3: Cross multiply
    81,752,770.17x = 122,108,003.75 × 73,959,716.97
  4. Step 4: Simplify right side
    81,752,770.17x = 9,031,073,397,306,598
  5. Step 5: Solve for x
    x = 9,031,073,397,306,598/81,752,770.17
  6. Step 6: Final answer
    x = 110,468,102.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.