Home / 80,369,696.16-120,543,193.44-25,775,187.36

Finding the Fourth Proportional to 80,369,696.16, 120,543,193.44 and 25,775,187.36

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Solution

The fourth proportional to 80,369,696.16, 120,543,193.44 and 25,775,187.36 is: 38,659,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369,696.16 : 120,543,193.44 = 25,775,187.36 : x
  2. Step 2: Convert to fraction form
    80,369,696.16/120,543,193.44 = 25,775,187.36/x
  3. Step 3: Cross multiply
    80,369,696.16x = 120,543,193.44 × 25,775,187.36
  4. Step 4: Simplify right side
    80,369,696.16x = 3,107,023,395,888,723
  5. Step 5: Solve for x
    x = 3,107,023,395,888,723/80,369,696.16
  6. Step 6: Final answer
    x = 38,659,140.75

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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.