Home / 87,965,332.80-131,947,999.20-55,512,002.40

Finding the Fourth Proportional to 87,965,332.80, 131,947,999.20 and 55,512,002.40

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Solution

The fourth proportional to 87,965,332.80, 131,947,999.20 and 55,512,002.40 is: 83,268,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,965,332.80 : 131,947,999.20 = 55,512,002.40 : x
  2. Step 2: Convert to fraction form
    87,965,332.80/131,947,999.20 = 55,512,002.40/x
  3. Step 3: Cross multiply
    87,965,332.80x = 131,947,999.20 × 55,512,002.40
  4. Step 4: Simplify right side
    87,965,332.80x = 7,324,697,648,265,598
  5. Step 5: Solve for x
    x = 7,324,697,648,265,598/87,965,332.80
  6. Step 6: Final answer
    x = 83,268,003.60

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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.