Home / 231,490,851.64-319,457,725.23-125,644,304.95

Finding the Fourth Proportional to 231,490,851.64, 319,457,725.23 and 125,644,304.95

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Solution

The fourth proportional to 231,490,851.64, 319,457,725.23 and 125,644,304.95 is: 173,389,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,490,851.64 : 319,457,725.23 = 125,644,304.95 : x
  2. Step 2: Convert to fraction form
    231,490,851.64/319,457,725.23 = 125,644,304.95/x
  3. Step 3: Cross multiply
    231,490,851.64x = 319,457,725.23 × 125,644,304.95
  4. Step 4: Simplify right side
    231,490,851.64x = 40,138,043,847,431,432
  5. Step 5: Solve for x
    x = 40,138,043,847,431,432/231,490,851.64
  6. Step 6: Final answer
    x = 173,389,330.78

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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.