Home / 103,572,456.27-155,359,865.36-35,420,462.43

Finding the Fourth Proportional to 103,572,456.27, 155,359,865.36 and 35,420,462.43

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Solution

The fourth proportional to 103,572,456.27, 155,359,865.36 and 35,420,462.43 is: 53,131,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,572,456.27 : 155,359,865.36 = 35,420,462.43 : x
  2. Step 2: Convert to fraction form
    103,572,456.27/155,359,865.36 = 35,420,462.43/x
  3. Step 3: Cross multiply
    103,572,456.27x = 155,359,865.36 × 35,420,462.43
  4. Step 4: Simplify right side
    103,572,456.27x = 5,502,918,273,619,691
  5. Step 5: Solve for x
    x = 5,502,918,273,619,691/103,572,456.27
  6. Step 6: Final answer
    x = 53,131,097.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.