Home / 231,551,110.60-319,541,161.38-127,135,945

Finding the Fourth Proportional to 231,551,110.60, 319,541,161.38 and 127,135,945

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Solution

The fourth proportional to 231,551,110.60, 319,541,161.38 and 127,135,945 is: 175,447,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,551,110.60 : 319,541,161.38 = 127,135,945 : x
  2. Step 2: Convert to fraction form
    231,551,110.60/319,541,161.38 = 127,135,945/x
  3. Step 3: Cross multiply
    231,551,110.60x = 319,541,161.38 × 127,135,945
  4. Step 4: Simplify right side
    231,551,110.60x = 40,625,167,518,443,800
  5. Step 5: Solve for x
    x = 40,625,167,518,443,800/231,551,110.60
  6. Step 6: Final answer
    x = 175,447,949.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.