Home / 80,193,396.72-120,340,696.94-34,135,192.20

Finding the Fourth Proportional to 80,193,396.72, 120,340,696.94 and 34,135,192.20

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Solution

The fourth proportional to 80,193,396.72, 120,340,696.94 and 34,135,192.20 is: 51,224,327.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,193,396.72 : 120,340,696.94 = 34,135,192.20 : x
  2. Step 2: Convert to fraction form
    80,193,396.72/120,340,696.94 = 34,135,192.20/x
  3. Step 3: Cross multiply
    80,193,396.72x = 120,340,696.94 × 34,135,192.20
  4. Step 4: Simplify right side
    80,193,396.72x = 4,107,852,819,528,852
  5. Step 5: Solve for x
    x = 4,107,852,819,528,852/80,193,396.72
  6. Step 6: Final answer
    x = 51,224,327.53

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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.