Home / 75,451,722.70-113,177,584.05-72,581,941.30

Finding the Fourth Proportional to 75,451,722.70, 113,177,584.05 and 72,581,941.30

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Solution

The fourth proportional to 75,451,722.70, 113,177,584.05 and 72,581,941.30 is: 108,872,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451,722.70 : 113,177,584.05 = 72,581,941.30 : x
  2. Step 2: Convert to fraction form
    75,451,722.70/113,177,584.05 = 72,581,941.30/x
  3. Step 3: Cross multiply
    75,451,722.70x = 113,177,584.05 × 72,581,941.30
  4. Step 4: Simplify right side
    75,451,722.70x = 8,214,648,761,992,916
  5. Step 5: Solve for x
    x = 8,214,648,761,992,916/75,451,722.70
  6. Step 6: Final answer
    x = 108,872,911.95

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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.