Home / 83,491,553.73-125,241,267.20-68,891,393.24

Finding the Fourth Proportional to 83,491,553.73, 125,241,267.20 and 68,891,393.24

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Solution

The fourth proportional to 83,491,553.73, 125,241,267.20 and 68,891,393.24 is: 103,340,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,491,553.73 : 125,241,267.20 = 68,891,393.24 : x
  2. Step 2: Convert to fraction form
    83,491,553.73/125,241,267.20 = 68,891,393.24/x
  3. Step 3: Cross multiply
    83,491,553.73x = 125,241,267.20 × 68,891,393.24
  4. Step 4: Simplify right side
    83,491,553.73x = 8,628,045,387,580,450
  5. Step 5: Solve for x
    x = 8,628,045,387,580,450/83,491,553.73
  6. Step 6: Final answer
    x = 103,340,338.06

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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.