Home / 218,441,490.30-327,662,235.45-132,725,087.10

Finding the Fourth Proportional to 218,441,490.30, 327,662,235.45 and 132,725,087.10

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Solution

The fourth proportional to 218,441,490.30, 327,662,235.45 and 132,725,087.10 is: 199,087,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,441,490.30 : 327,662,235.45 = 132,725,087.10 : x
  2. Step 2: Convert to fraction form
    218,441,490.30/327,662,235.45 = 132,725,087.10/x
  3. Step 3: Cross multiply
    218,441,490.30x = 327,662,235.45 × 132,725,087.10
  4. Step 4: Simplify right side
    218,441,490.30x = 43,488,998,739,481,952
  5. Step 5: Solve for x
    x = 43,488,998,739,481,952/218,441,490.30
  6. Step 6: Final answer
    x = 199,087,630.65

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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.