Home / 231,515,419.65-319,049,745.17-227,260,071.89

Finding the Fourth Proportional to 231,515,419.65, 319,049,745.17 and 227,260,071.89

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Solution

The fourth proportional to 231,515,419.65, 319,049,745.17 and 227,260,071.89 is: 313,185,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,515,419.65 : 319,049,745.17 = 227,260,071.89 : x
  2. Step 2: Convert to fraction form
    231,515,419.65/319,049,745.17 = 227,260,071.89/x
  3. Step 3: Cross multiply
    231,515,419.65x = 319,049,745.17 × 227,260,071.89
  4. Step 4: Simplify right side
    231,515,419.65x = 72,507,268,021,088,832
  5. Step 5: Solve for x
    x = 72,507,268,021,088,832/231,515,419.65
  6. Step 6: Final answer
    x = 313,185,480.82

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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.