Home / 81,001,626.43-111,782,540.76-43,831,907

Finding the Fourth Proportional to 81,001,626.43, 111,782,540.76 and 43,831,907

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Solution

The fourth proportional to 81,001,626.43, 111,782,540.76 and 43,831,907 is: 60,488,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,626.43 : 111,782,540.76 = 43,831,907 : x
  2. Step 2: Convert to fraction form
    81,001,626.43/111,782,540.76 = 43,831,907/x
  3. Step 3: Cross multiply
    81,001,626.43x = 111,782,540.76 × 43,831,907
  4. Step 4: Simplify right side
    81,001,626.43x = 4,899,641,930,816,030
  5. Step 5: Solve for x
    x = 4,899,641,930,816,030/81,001,626.43
  6. Step 6: Final answer
    x = 60,488,191.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.