Home / 54,128,520.10-81,192,780.15-36,909,831.70

Finding the Fourth Proportional to 54,128,520.10, 81,192,780.15 and 36,909,831.70

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Solution

The fourth proportional to 54,128,520.10, 81,192,780.15 and 36,909,831.70 is: 55,364,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128,520.10 : 81,192,780.15 = 36,909,831.70 : x
  2. Step 2: Convert to fraction form
    54,128,520.10/81,192,780.15 = 36,909,831.70/x
  3. Step 3: Cross multiply
    54,128,520.10x = 81,192,780.15 × 36,909,831.70
  4. Step 4: Simplify right side
    54,128,520.10x = 2,996,811,850,591,601
  5. Step 5: Solve for x
    x = 2,996,811,850,591,601/54,128,520.10
  6. Step 6: Final answer
    x = 55,364,747.55

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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.