Home / 71,984,400.80-108,037,159.27-67,444,311.81

Finding the Fourth Proportional to 71,984,400.80, 108,037,159.27 and 67,444,311.81

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Solution

The fourth proportional to 71,984,400.80, 108,037,159.27 and 67,444,311.81 is: 101,223,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,984,400.80 : 108,037,159.27 = 67,444,311.81 : x
  2. Step 2: Convert to fraction form
    71,984,400.80/108,037,159.27 = 67,444,311.81/x
  3. Step 3: Cross multiply
    71,984,400.80x = 108,037,159.27 × 67,444,311.81
  4. Step 4: Simplify right side
    71,984,400.80x = 7,286,491,856,872,512
  5. Step 5: Solve for x
    x = 7,286,491,856,872,512/71,984,400.80
  6. Step 6: Final answer
    x = 101,223,206.37

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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.