Home / 57,721,417.38-79,654,571.85-31,259,556.45

Finding the Fourth Proportional to 57,721,417.38, 79,654,571.85 and 31,259,556.45

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Solution

The fourth proportional to 57,721,417.38, 79,654,571.85 and 31,259,556.45 is: 43,137,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721,417.38 : 79,654,571.85 = 31,259,556.45 : x
  2. Step 2: Convert to fraction form
    57,721,417.38/79,654,571.85 = 31,259,556.45/x
  3. Step 3: Cross multiply
    57,721,417.38x = 79,654,571.85 × 31,259,556.45
  4. Step 4: Simplify right side
    57,721,417.38x = 2,489,966,585,245,655.50
  5. Step 5: Solve for x
    x = 2,489,966,585,245,655.50/57,721,417.38
  6. Step 6: Final answer
    x = 43,137,654.93

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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.