Home / 87,394,713.49-120,645,519.29-50,718,198.61

Finding the Fourth Proportional to 87,394,713.49, 120,645,519.29 and 50,718,198.61

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Solution

The fourth proportional to 87,394,713.49, 120,645,519.29 and 50,718,198.61 is: 70,014,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,394,713.49 : 120,645,519.29 = 50,718,198.61 : x
  2. Step 2: Convert to fraction form
    87,394,713.49/120,645,519.29 = 50,718,198.61/x
  3. Step 3: Cross multiply
    87,394,713.49x = 120,645,519.29 × 50,718,198.61
  4. Step 4: Simplify right side
    87,394,713.49x = 6,118,923,408,756,806
  5. Step 5: Solve for x
    x = 6,118,923,408,756,806/87,394,713.49
  6. Step 6: Final answer
    x = 70,014,800.26

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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.