Home / 231,515,418.15-319,049,743.10-227,260,070.39

Finding the Fourth Proportional to 231,515,418.15, 319,049,743.10 and 227,260,070.39

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Solution

The fourth proportional to 231,515,418.15, 319,049,743.10 and 227,260,070.39 is: 313,185,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,515,418.15 : 319,049,743.10 = 227,260,070.39 : x
  2. Step 2: Convert to fraction form
    231,515,418.15/319,049,743.10 = 227,260,070.39/x
  3. Step 3: Cross multiply
    231,515,418.15x = 319,049,743.10 × 227,260,070.39
  4. Step 4: Simplify right side
    231,515,418.15x = 72,507,267,072,085,872
  5. Step 5: Solve for x
    x = 72,507,267,072,085,872/231,515,418.15
  6. Step 6: Final answer
    x = 313,185,478.75

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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.