Home / 87,194,612.76-120,345,463.22-50,046,887.40

Finding the Fourth Proportional to 87,194,612.76, 120,345,463.22 and 50,046,887.40

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Solution

The fourth proportional to 87,194,612.76, 120,345,463.22 and 50,046,887.40 is: 69,074,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194,612.76 : 120,345,463.22 = 50,046,887.40 : x
  2. Step 2: Convert to fraction form
    87,194,612.76/120,345,463.22 = 50,046,887.40/x
  3. Step 3: Cross multiply
    87,194,612.76x = 120,345,463.22 × 50,046,887.40
  4. Step 4: Simplify right side
    87,194,612.76x = 6,022,915,846,872,181
  5. Step 5: Solve for x
    x = 6,022,915,846,872,181/87,194,612.76
  6. Step 6: Final answer
    x = 69,074,403.29

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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.