Home / 57,721,414.49-79,654,567.46-31,259,553.38

Finding the Fourth Proportional to 57,721,414.49, 79,654,567.46 and 31,259,553.38

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Solution

The fourth proportional to 57,721,414.49, 79,654,567.46 and 31,259,553.38 is: 43,137,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721,414.49 : 79,654,567.46 = 31,259,553.38 : x
  2. Step 2: Convert to fraction form
    57,721,414.49/79,654,567.46 = 31,259,553.38/x
  3. Step 3: Cross multiply
    57,721,414.49x = 79,654,567.46 × 31,259,553.38
  4. Step 4: Simplify right side
    57,721,414.49x = 2,489,966,202,922,110.50
  5. Step 5: Solve for x
    x = 2,489,966,202,922,110.50/57,721,414.49
  6. Step 6: Final answer
    x = 43,137,650.47

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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.