Home / 80,568,438.32-120,876,240.12-25,979,925.98

Finding the Fourth Proportional to 80,568,438.32, 120,876,240.12 and 25,979,925.98

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Solution

The fourth proportional to 80,568,438.32, 120,876,240.12 and 25,979,925.98 is: 38,977,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,568,438.32 : 120,876,240.12 = 25,979,925.98 : x
  2. Step 2: Convert to fraction form
    80,568,438.32/120,876,240.12 = 25,979,925.98/x
  3. Step 3: Cross multiply
    80,568,438.32x = 120,876,240.12 × 25,979,925.98
  4. Step 4: Simplify right side
    80,568,438.32x = 3,140,355,771,058,306.50
  5. Step 5: Solve for x
    x = 3,140,355,771,058,306.50/80,568,438.32
  6. Step 6: Final answer
    x = 38,977,493.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.