Home / 80,568,485.32-120,876,310.60-25,979,973

Finding the Fourth Proportional to 80,568,485.32, 120,876,310.60 and 25,979,973

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Solution

The fourth proportional to 80,568,485.32, 120,876,310.60 and 25,979,973 is: 38,977,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,568,485.32 : 120,876,310.60 = 25,979,973 : x
  2. Step 2: Convert to fraction form
    80,568,485.32/120,876,310.60 = 25,979,973/x
  3. Step 3: Cross multiply
    80,568,485.32x = 120,876,310.60 × 25,979,973
  4. Step 4: Simplify right side
    80,568,485.32x = 3,140,363,285,727,613.50
  5. Step 5: Solve for x
    x = 3,140,363,285,727,613.50/80,568,485.32
  6. Step 6: Final answer
    x = 38,977,563.91

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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.