Home / 87,657,161.77-120,937,508.02-50,486,697.75

Finding the Fourth Proportional to 87,657,161.77, 120,937,508.02 and 50,486,697.75

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Solution

The fourth proportional to 87,657,161.77, 120,937,508.02 and 50,486,697.75 is: 69,654,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,657,161.77 : 120,937,508.02 = 50,486,697.75 : x
  2. Step 2: Convert to fraction form
    87,657,161.77/120,937,508.02 = 50,486,697.75/x
  3. Step 3: Cross multiply
    87,657,161.77x = 120,937,508.02 × 50,486,697.75
  4. Step 4: Simplify right side
    87,657,161.77x = 6,105,735,414,043,941
  5. Step 5: Solve for x
    x = 6,105,735,414,043,941/87,657,161.77
  6. Step 6: Final answer
    x = 69,654,724.05

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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.