Home / 43,469,361.85-65,204,042.78-28,163,861.05

Finding the Fourth Proportional to 43,469,361.85, 65,204,042.78 and 28,163,861.05

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Solution

The fourth proportional to 43,469,361.85, 65,204,042.78 and 28,163,861.05 is: 42,245,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469,361.85 : 65,204,042.78 = 28,163,861.05 : x
  2. Step 2: Convert to fraction form
    43,469,361.85/65,204,042.78 = 28,163,861.05/x
  3. Step 3: Cross multiply
    43,469,361.85x = 65,204,042.78 × 28,163,861.05
  4. Step 4: Simplify right side
    43,469,361.85x = 1,836,397,600,613,356.50
  5. Step 5: Solve for x
    x = 1,836,397,600,613,356.50/43,469,361.85
  6. Step 6: Final answer
    x = 42,245,791.58

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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.