Home / 81,001,619.39-111,782,531.00-43,831,900.02

Finding the Fourth Proportional to 81,001,619.39, 111,782,531.00 and 43,831,900.02

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Solution

The fourth proportional to 81,001,619.39, 111,782,531.00 and 43,831,900.02 is: 60,488,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,619.39 : 111,782,531.00 = 43,831,900.02 : x
  2. Step 2: Convert to fraction form
    81,001,619.39/111,782,531.00 = 43,831,900.02/x
  3. Step 3: Cross multiply
    81,001,619.39x = 111,782,531.00 × 43,831,900.02
  4. Step 4: Simplify right side
    81,001,619.39x = 4,899,640,722,428,202
  5. Step 5: Solve for x
    x = 4,899,640,722,428,202/81,001,619.39
  6. Step 6: Final answer
    x = 60,488,182.32

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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.