Home / 81,001,626.31-111,782,540.59-43,831,906.88

Finding the Fourth Proportional to 81,001,626.31, 111,782,540.59 and 43,831,906.88

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Solution

The fourth proportional to 81,001,626.31, 111,782,540.59 and 43,831,906.88 is: 60,488,191.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,626.31 : 111,782,540.59 = 43,831,906.88 : x
  2. Step 2: Convert to fraction form
    81,001,626.31/111,782,540.59 = 43,831,906.88/x
  3. Step 3: Cross multiply
    81,001,626.31x = 111,782,540.59 × 43,831,906.88
  4. Step 4: Simplify right side
    81,001,626.31x = 4,899,641,909,950,701
  5. Step 5: Solve for x
    x = 4,899,641,909,950,701/81,001,626.31
  6. Step 6: Final answer
    x = 60,488,191.82

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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.