Home / 87,588,571.19-120,867,034.82-48,427,274.39

Finding the Fourth Proportional to 87,588,571.19, 120,867,034.82 and 48,427,274.39

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Solution

The fourth proportional to 87,588,571.19, 120,867,034.82 and 48,427,274.39 is: 66,826,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,588,571.19 : 120,867,034.82 = 48,427,274.39 : x
  2. Step 2: Convert to fraction form
    87,588,571.19/120,867,034.82 = 48,427,274.39/x
  3. Step 3: Cross multiply
    87,588,571.19x = 120,867,034.82 × 48,427,274.39
  4. Step 4: Simplify right side
    87,588,571.19x = 5,853,261,059,087,352
  5. Step 5: Solve for x
    x = 5,853,261,059,087,352/87,588,571.19
  6. Step 6: Final answer
    x = 66,826,767.24

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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.