Home / 80,351,529.12-120,542,806.80-34,292,725.92

Finding the Fourth Proportional to 80,351,529.12, 120,542,806.80 and 34,292,725.92

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Solution

The fourth proportional to 80,351,529.12, 120,542,806.80 and 34,292,725.92 is: 51,445,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351,529.12 : 120,542,806.80 = 34,292,725.92 : x
  2. Step 2: Convert to fraction form
    80,351,529.12/120,542,806.80 = 34,292,725.92/x
  3. Step 3: Cross multiply
    80,351,529.12x = 120,542,806.80 × 34,292,725.92
  4. Step 4: Simplify right side
    80,351,529.12x = 4,133,741,435,219,912.50
  5. Step 5: Solve for x
    x = 4,133,741,435,219,912.50/80,351,529.12
  6. Step 6: Final answer
    x = 51,445,709.63

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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.