Home / 327,872,451.60-491,810,791.37-131,152,299.21

Finding the Fourth Proportional to 327,872,451.60, 491,810,791.37 and 131,152,299.21

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Solution

The fourth proportional to 327,872,451.60, 491,810,791.37 and 131,152,299.21 is: 196,729,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,872,451.60 : 491,810,791.37 = 131,152,299.21 : x
  2. Step 2: Convert to fraction form
    327,872,451.60/491,810,791.37 = 131,152,299.21/x
  3. Step 3: Cross multiply
    327,872,451.60x = 491,810,791.37 × 131,152,299.21
  4. Step 4: Simplify right side
    327,872,451.60x = 64,502,116,063,809,360
  5. Step 5: Solve for x
    x = 64,502,116,063,809,360/327,872,451.60
  6. Step 6: Final answer
    x = 196,729,294.42

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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.