Home / 218,548,187.40-327,397,128.30-132,029,592.60

Finding the Fourth Proportional to 218,548,187.40, 327,397,128.30 and 132,029,592.60

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Solution

The fourth proportional to 218,548,187.40, 327,397,128.30 and 132,029,592.60 is: 197,787,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,548,187.40 : 327,397,128.30 = 132,029,592.60 : x
  2. Step 2: Convert to fraction form
    218,548,187.40/327,397,128.30 = 132,029,592.60/x
  3. Step 3: Cross multiply
    218,548,187.40x = 327,397,128.30 × 132,029,592.60
  4. Step 4: Simplify right side
    218,548,187.40x = 43,226,109,467,858,928
  5. Step 5: Solve for x
    x = 43,226,109,467,858,928/218,548,187.40
  6. Step 6: Final answer
    x = 197,787,545.08

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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.