Home / 231,553,542.11-347,003,772.19-127,969,392.65

Finding the Fourth Proportional to 231,553,542.11, 347,003,772.19 and 127,969,392.65

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Solution

The fourth proportional to 231,553,542.11, 347,003,772.19 and 127,969,392.65 is: 191,773,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,553,542.11 : 347,003,772.19 = 127,969,392.65 : x
  2. Step 2: Convert to fraction form
    231,553,542.11/347,003,772.19 = 127,969,392.65/x
  3. Step 3: Cross multiply
    231,553,542.11x = 347,003,772.19 × 127,969,392.65
  4. Step 4: Simplify right side
    231,553,542.11x = 44,405,861,972,358,320
  5. Step 5: Solve for x
    x = 44,405,861,972,358,320/231,553,542.11
  6. Step 6: Final answer
    x = 191,773,624.23

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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.