Home / 87,361,645.78-120,561,594.57-48,205,944.05

Finding the Fourth Proportional to 87,361,645.78, 120,561,594.57 and 48,205,944.05

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Solution

The fourth proportional to 87,361,645.78, 120,561,594.57 and 48,205,944.05 is: 66,525,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,361,645.78 : 120,561,594.57 = 48,205,944.05 : x
  2. Step 2: Convert to fraction form
    87,361,645.78/120,561,594.57 = 48,205,944.05/x
  3. Step 3: Cross multiply
    87,361,645.78x = 120,561,594.57 × 48,205,944.05
  4. Step 4: Simplify right side
    87,361,645.78x = 5,811,785,482,721,608
  5. Step 5: Solve for x
    x = 5,811,785,482,721,608/87,361,645.78
  6. Step 6: Final answer
    x = 66,525,595.20

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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.