Home / 43,468,288.20-65,202,432.30-13,172,214.60

Finding the Fourth Proportional to 43,468,288.20, 65,202,432.30 and 13,172,214.60

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Solution

The fourth proportional to 43,468,288.20, 65,202,432.30 and 13,172,214.60 is: 19,758,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,468,288.20 : 65,202,432.30 = 13,172,214.60 : x
  2. Step 2: Convert to fraction form
    43,468,288.20/65,202,432.30 = 13,172,214.60/x
  3. Step 3: Cross multiply
    43,468,288.20x = 65,202,432.30 × 13,172,214.60
  4. Step 4: Simplify right side
    43,468,288.20x = 858,860,430,697,571.50
  5. Step 5: Solve for x
    x = 858,860,430,697,571.50/43,468,288.20
  6. Step 6: Final answer
    x = 19,758,321.90

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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.