Home / 85,135,046.09-117,486,359.10-45,976,819.06

Finding the Fourth Proportional to 85,135,046.09, 117,486,359.10 and 45,976,819.06

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Solution

The fourth proportional to 85,135,046.09, 117,486,359.10 and 45,976,819.06 is: 63,448,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,135,046.09 : 117,486,359.10 = 45,976,819.06 : x
  2. Step 2: Convert to fraction form
    85,135,046.09/117,486,359.10 = 45,976,819.06/x
  3. Step 3: Cross multiply
    85,135,046.09x = 117,486,359.10 × 45,976,819.06
  4. Step 4: Simplify right side
    85,135,046.09x = 5,401,649,074,358,884
  5. Step 5: Solve for x
    x = 5,401,649,074,358,884/85,135,046.09
  6. Step 6: Final answer
    x = 63,448,007.87

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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.