Home / 231,883,481.89-319,997,318.74-127,460,442.97

Finding the Fourth Proportional to 231,883,481.89, 319,997,318.74 and 127,460,442.97

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Solution

The fourth proportional to 231,883,481.89, 319,997,318.74 and 127,460,442.97 is: 175,894,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,883,481.89 : 319,997,318.74 = 127,460,442.97 : x
  2. Step 2: Convert to fraction form
    231,883,481.89/319,997,318.74 = 127,460,442.97/x
  3. Step 3: Cross multiply
    231,883,481.89x = 319,997,318.74 × 127,460,442.97
  4. Step 4: Simplify right side
    231,883,481.89x = 40,786,999,995,812,680
  5. Step 5: Solve for x
    x = 40,786,999,995,812,680/231,883,481.89
  6. Step 6: Final answer
    x = 175,894,374.47

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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.