Home / 87,186,173.11-130,795,350.48-36,072,177.73

Finding the Fourth Proportional to 87,186,173.11, 130,795,350.48 and 36,072,177.73

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Solution

The fourth proportional to 87,186,173.11, 130,795,350.48 and 36,072,177.73 is: 54,114,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186,173.11 : 130,795,350.48 = 36,072,177.73 : x
  2. Step 2: Convert to fraction form
    87,186,173.11/130,795,350.48 = 36,072,177.73/x
  3. Step 3: Cross multiply
    87,186,173.11x = 130,795,350.48 × 36,072,177.73
  4. Step 4: Simplify right side
    87,186,173.11x = 4,718,073,128,445,212
  5. Step 5: Solve for x
    x = 4,718,073,128,445,212/87,186,173.11
  6. Step 6: Final answer
    x = 54,114,923.96

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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.