Home / 218,265,539.70-327,398,309.55-132,172,097.70

Finding the Fourth Proportional to 218,265,539.70, 327,398,309.55 and 132,172,097.70

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Solution

The fourth proportional to 218,265,539.70, 327,398,309.55 and 132,172,097.70 is: 198,258,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,265,539.70 : 327,398,309.55 = 132,172,097.70 : x
  2. Step 2: Convert to fraction form
    218,265,539.70/327,398,309.55 = 132,172,097.70/x
  3. Step 3: Cross multiply
    218,265,539.70x = 327,398,309.55 × 132,172,097.70
  4. Step 4: Simplify right side
    218,265,539.70x = 43,272,921,356,657,448
  5. Step 5: Solve for x
    x = 43,272,921,356,657,448/218,265,539.70
  6. Step 6: Final answer
    x = 198,258,146.55

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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.