Home / 87,863,985.41-121,253,286.29-50,192,138.48

Finding the Fourth Proportional to 87,863,985.41, 121,253,286.29 and 50,192,138.48

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Solution

The fourth proportional to 87,863,985.41, 121,253,286.29 and 50,192,138.48 is: 69,265,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863,985.41 : 121,253,286.29 = 50,192,138.48 : x
  2. Step 2: Convert to fraction form
    87,863,985.41/121,253,286.29 = 50,192,138.48/x
  3. Step 3: Cross multiply
    87,863,985.41x = 121,253,286.29 × 50,192,138.48
  4. Step 4: Simplify right side
    87,863,985.41x = 6,085,961,735,765,538
  5. Step 5: Solve for x
    x = 6,085,961,735,765,538/87,863,985.41
  6. Step 6: Final answer
    x = 69,265,714.59

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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.