Home / 218,268,659.20-327,402,988.80-132,175,217.20

Finding the Fourth Proportional to 218,268,659.20, 327,402,988.80 and 132,175,217.20

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Solution

The fourth proportional to 218,268,659.20, 327,402,988.80 and 132,175,217.20 is: 198,262,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,268,659.20 : 327,402,988.80 = 132,175,217.20 : x
  2. Step 2: Convert to fraction form
    218,268,659.20/327,402,988.80 = 132,175,217.20/x
  3. Step 3: Cross multiply
    218,268,659.20x = 327,402,988.80 × 132,175,217.20
  4. Step 4: Simplify right side
    218,268,659.20x = 43,274,561,156,569,168
  5. Step 5: Solve for x
    x = 43,274,561,156,569,168/218,268,659.20
  6. Step 6: Final answer
    x = 198,262,825.80

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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.