Home / 87,652,540.77-120,956,080.29-47,959,212.48

Finding the Fourth Proportional to 87,652,540.77, 120,956,080.29 and 47,959,212.48

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Solution

The fourth proportional to 87,652,540.77, 120,956,080.29 and 47,959,212.48 is: 66,181,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,540.77 : 120,956,080.29 = 47,959,212.48 : x
  2. Step 2: Convert to fraction form
    87,652,540.77/120,956,080.29 = 47,959,212.48/x
  3. Step 3: Cross multiply
    87,652,540.77x = 120,956,080.29 × 47,959,212.48
  4. Step 4: Simplify right side
    87,652,540.77x = 5,800,958,355,376,050
  5. Step 5: Solve for x
    x = 5,800,958,355,376,050/87,652,540.77
  6. Step 6: Final answer
    x = 66,181,291.55

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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.