Home / 218,063,140.80-327,094,711.20-149,188,387.20

Finding the Fourth Proportional to 218,063,140.80, 327,094,711.20 and 149,188,387.20

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Solution

The fourth proportional to 218,063,140.80, 327,094,711.20 and 149,188,387.20 is: 223,782,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,063,140.80 : 327,094,711.20 = 149,188,387.20 : x
  2. Step 2: Convert to fraction form
    218,063,140.80/327,094,711.20 = 149,188,387.20/x
  3. Step 3: Cross multiply
    218,063,140.80x = 327,094,711.20 × 149,188,387.20
  4. Step 4: Simplify right side
    218,063,140.80x = 48,798,732,425,577,768
  5. Step 5: Solve for x
    x = 48,798,732,425,577,768/218,063,140.80
  6. Step 6: Final answer
    x = 223,782,580.80

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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.