Home / 81,001,625.43-111,782,539.38-43,831,906.00

Finding the Fourth Proportional to 81,001,625.43, 111,782,539.38 and 43,831,906.00

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Solution

The fourth proportional to 81,001,625.43, 111,782,539.38 and 43,831,906.00 is: 60,488,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,625.43 : 111,782,539.38 = 43,831,906.00 : x
  2. Step 2: Convert to fraction form
    81,001,625.43/111,782,539.38 = 43,831,906.00/x
  3. Step 3: Cross multiply
    81,001,625.43x = 111,782,539.38 × 43,831,906.00
  4. Step 4: Simplify right side
    81,001,625.43x = 4,899,641,758,266,002
  5. Step 5: Solve for x
    x = 4,899,641,758,266,002/81,001,625.43
  6. Step 6: Final answer
    x = 60,488,190.60

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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.