Home / 131,328,961.20-196,993,441.80-88,330,791.60

Finding the Fourth Proportional to 131,328,961.20, 196,993,441.80 and 88,330,791.60

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Solution

The fourth proportional to 131,328,961.20, 196,993,441.80 and 88,330,791.60 is: 132,496,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,961.20 : 196,993,441.80 = 88,330,791.60 : x
  2. Step 2: Convert to fraction form
    131,328,961.20/196,993,441.80 = 88,330,791.60/x
  3. Step 3: Cross multiply
    131,328,961.20x = 196,993,441.80 × 88,330,791.60
  4. Step 4: Simplify right side
    131,328,961.20x = 17,400,586,654,202,528
  5. Step 5: Solve for x
    x = 17,400,586,654,202,528/131,328,961.20
  6. Step 6: Final answer
    x = 132,496,187.40

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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.