Home / 231,760,523.31-319,750,420.05-143,622,362.05

Finding the Fourth Proportional to 231,760,523.31, 319,750,420.05 and 143,622,362.05

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Solution

The fourth proportional to 231,760,523.31, 319,750,420.05 and 143,622,362.05 is: 198,149,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760,523.31 : 319,750,420.05 = 143,622,362.05 : x
  2. Step 2: Convert to fraction form
    231,760,523.31/319,750,420.05 = 143,622,362.05/x
  3. Step 3: Cross multiply
    231,760,523.31x = 319,750,420.05 × 143,622,362.05
  4. Step 4: Simplify right side
    231,760,523.31x = 45,923,310,594,060,688
  5. Step 5: Solve for x
    x = 45,923,310,594,060,688/231,760,523.31
  6. Step 6: Final answer
    x = 198,149,839.92

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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.