Home / 231,553,543.11-347,003,773.69-127,969,393.65

Finding the Fourth Proportional to 231,553,543.11, 347,003,773.69 and 127,969,393.65

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Solution

The fourth proportional to 231,553,543.11, 347,003,773.69 and 127,969,393.65 is: 191,773,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,553,543.11 : 347,003,773.69 = 127,969,393.65 : x
  2. Step 2: Convert to fraction form
    231,553,543.11/347,003,773.69 = 127,969,393.65/x
  3. Step 3: Cross multiply
    231,553,543.11x = 347,003,773.69 × 127,969,393.65
  4. Step 4: Simplify right side
    231,553,543.11x = 44,405,862,513,371,128
  5. Step 5: Solve for x
    x = 44,405,862,513,371,128/231,553,543.11
  6. Step 6: Final answer
    x = 191,773,625.73

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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.