Home / 231,397,243.80-319,327,320.44-126,977,062.56

Finding the Fourth Proportional to 231,397,243.80, 319,327,320.44 and 126,977,062.56

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Solution

The fourth proportional to 231,397,243.80, 319,327,320.44 and 126,977,062.56 is: 175,227,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,397,243.80 : 319,327,320.44 = 126,977,062.56 : x
  2. Step 2: Convert to fraction form
    231,397,243.80/319,327,320.44 = 126,977,062.56/x
  3. Step 3: Cross multiply
    231,397,243.80x = 319,327,320.44 × 126,977,062.56
  4. Step 4: Simplify right side
    231,397,243.80x = 40,547,245,144,627,048
  5. Step 5: Solve for x
    x = 40,547,245,144,627,048/231,397,243.80
  6. Step 6: Final answer
    x = 175,227,865.63

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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.