Home / 57,760,418.34-79,707,573.81-31,654,461.78

Finding the Fourth Proportional to 57,760,418.34, 79,707,573.81 and 31,654,461.78

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Solution

The fourth proportional to 57,760,418.34, 79,707,573.81 and 31,654,461.78 is: 43,682,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760,418.34 : 79,707,573.81 = 31,654,461.78 : x
  2. Step 2: Convert to fraction form
    57,760,418.34/79,707,573.81 = 31,654,461.78/x
  3. Step 3: Cross multiply
    57,760,418.34x = 79,707,573.81 × 31,654,461.78
  4. Step 4: Simplify right side
    57,760,418.34x = 2,523,100,348,745,174
  5. Step 5: Solve for x
    x = 2,523,100,348,745,174/57,760,418.34
  6. Step 6: Final answer
    x = 43,682,168.88

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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.