Home / 83,491,550.86-125,241,262.90-68,891,390.36

Finding the Fourth Proportional to 83,491,550.86, 125,241,262.90 and 68,891,390.36

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Solution

The fourth proportional to 83,491,550.86, 125,241,262.90 and 68,891,390.36 is: 103,340,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,491,550.86 : 125,241,262.90 = 68,891,390.36 : x
  2. Step 2: Convert to fraction form
    83,491,550.86/125,241,262.90 = 68,891,390.36/x
  3. Step 3: Cross multiply
    83,491,550.86x = 125,241,262.90 × 68,891,390.36
  4. Step 4: Simplify right side
    83,491,550.86x = 8,628,044,731,623,286
  5. Step 5: Solve for x
    x = 8,628,044,731,623,286/83,491,550.86
  6. Step 6: Final answer
    x = 103,340,333.76

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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.