Home / 231,760,522.31-319,750,418.67-143,622,361.05

Finding the Fourth Proportional to 231,760,522.31, 319,750,418.67 and 143,622,361.05

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Solution

The fourth proportional to 231,760,522.31, 319,750,418.67 and 143,622,361.05 is: 198,149,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760,522.31 : 319,750,418.67 = 143,622,361.05 : x
  2. Step 2: Convert to fraction form
    231,760,522.31/319,750,418.67 = 143,622,361.05/x
  3. Step 3: Cross multiply
    231,760,522.31x = 319,750,418.67 × 143,622,361.05
  4. Step 4: Simplify right side
    231,760,522.31x = 45,923,310,076,111,408
  5. Step 5: Solve for x
    x = 45,923,310,076,111,408/231,760,522.31
  6. Step 6: Final answer
    x = 198,149,838.55

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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.