Home / 218,419,844.10-327,629,766.15-103,628,588.10

Finding the Fourth Proportional to 218,419,844.10, 327,629,766.15 and 103,628,588.10

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Solution

The fourth proportional to 218,419,844.10, 327,629,766.15 and 103,628,588.10 is: 155,442,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,419,844.10 : 327,629,766.15 = 103,628,588.10 : x
  2. Step 2: Convert to fraction form
    218,419,844.10/327,629,766.15 = 103,628,588.10/x
  3. Step 3: Cross multiply
    218,419,844.10x = 327,629,766.15 × 103,628,588.10
  4. Step 4: Simplify right side
    218,419,844.10x = 33,951,810,085,657,668
  5. Step 5: Solve for x
    x = 33,951,810,085,657,668/218,419,844.10
  6. Step 6: Final answer
    x = 155,442,882.15

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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.