Home / 71,291,182.68-98,379,286.56-40,350,687.66

Finding the Fourth Proportional to 71,291,182.68, 98,379,286.56 and 40,350,687.66

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Solution

The fourth proportional to 71,291,182.68, 98,379,286.56 and 40,350,687.66 is: 55,682,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,291,182.68 : 98,379,286.56 = 40,350,687.66 : x
  2. Step 2: Convert to fraction form
    71,291,182.68/98,379,286.56 = 40,350,687.66/x
  3. Step 3: Cross multiply
    71,291,182.68x = 98,379,286.56 × 40,350,687.66
  4. Step 4: Simplify right side
    71,291,182.68x = 3,969,671,864,196,195.50
  5. Step 5: Solve for x
    x = 3,969,671,864,196,195.50/71,291,182.68
  6. Step 6: Final answer
    x = 55,682,508.20

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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.