Home / 87,708,932.80-131,563,399.20-60,499,153.60

Finding the Fourth Proportional to 87,708,932.80, 131,563,399.20 and 60,499,153.60

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Solution

The fourth proportional to 87,708,932.80, 131,563,399.20 and 60,499,153.60 is: 90,748,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,708,932.80 : 131,563,399.20 = 60,499,153.60 : x
  2. Step 2: Convert to fraction form
    87,708,932.80/131,563,399.20 = 60,499,153.60/x
  3. Step 3: Cross multiply
    87,708,932.80x = 131,563,399.20 × 60,499,153.60
  4. Step 4: Simplify right side
    87,708,932.80x = 7,959,474,296,338,917
  5. Step 5: Solve for x
    x = 7,959,474,296,338,917/87,708,932.80
  6. Step 6: Final answer
    x = 90,748,730.40

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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.