Home / 43,469,362.60-65,204,043.90-28,163,861.80

Finding the Fourth Proportional to 43,469,362.60, 65,204,043.90 and 28,163,861.80

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Solution

The fourth proportional to 43,469,362.60, 65,204,043.90 and 28,163,861.80 is: 42,245,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469,362.60 : 65,204,043.90 = 28,163,861.80 : x
  2. Step 2: Convert to fraction form
    43,469,362.60/65,204,043.90 = 28,163,861.80/x
  3. Step 3: Cross multiply
    43,469,362.60x = 65,204,043.90 × 28,163,861.80
  4. Step 4: Simplify right side
    43,469,362.60x = 1,836,397,681,200,733
  5. Step 5: Solve for x
    x = 1,836,397,681,200,733/43,469,362.60
  6. Step 6: Final answer
    x = 42,245,792.70

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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.