Home / 87,614,777.37-120,945,621.15-54,591,342.42

Finding the Fourth Proportional to 87,614,777.37, 120,945,621.15 and 54,591,342.42

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Solution

The fourth proportional to 87,614,777.37, 120,945,621.15 and 54,591,342.42 is: 75,359,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,777.37 : 120,945,621.15 = 54,591,342.42 : x
  2. Step 2: Convert to fraction form
    87,614,777.37/120,945,621.15 = 54,591,342.42/x
  3. Step 3: Cross multiply
    87,614,777.37x = 120,945,621.15 × 54,591,342.42
  4. Step 4: Simplify right side
    87,614,777.37x = 6,602,583,818,399,245
  5. Step 5: Solve for x
    x = 6,602,583,818,399,245/87,614,777.37
  6. Step 6: Final answer
    x = 75,359,248.94

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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.