Home / 83,995,388.57-115,914,131.66-48,734,189.33

Finding the Fourth Proportional to 83,995,388.57, 115,914,131.66 and 48,734,189.33

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Solution

The fourth proportional to 83,995,388.57, 115,914,131.66 and 48,734,189.33 is: 67,253,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,995,388.57 : 115,914,131.66 = 48,734,189.33 : x
  2. Step 2: Convert to fraction form
    83,995,388.57/115,914,131.66 = 48,734,189.33/x
  3. Step 3: Cross multiply
    83,995,388.57x = 115,914,131.66 × 48,734,189.33
  4. Step 4: Simplify right side
    83,995,388.57x = 5,648,981,237,883,252
  5. Step 5: Solve for x
    x = 5,648,981,237,883,252/83,995,388.57
  6. Step 6: Final answer
    x = 67,253,468.72

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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.