Home / 80,861,993.28-121,305,530.66-34,175,675.56

Finding the Fourth Proportional to 80,861,993.28, 121,305,530.66 and 34,175,675.56

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Solution

The fourth proportional to 80,861,993.28, 121,305,530.66 and 34,175,675.56 is: 51,268,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,861,993.28 : 121,305,530.66 = 34,175,675.56 : x
  2. Step 2: Convert to fraction form
    80,861,993.28/121,305,530.66 = 34,175,675.56/x
  3. Step 3: Cross multiply
    80,861,993.28x = 121,305,530.66 × 34,175,675.56
  4. Step 4: Simplify right side
    80,861,993.28x = 4,145,698,459,469,793
  5. Step 5: Solve for x
    x = 4,145,698,459,469,793/80,861,993.28
  6. Step 6: Final answer
    x = 51,268,813.58

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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.