Home / 72,632,410.56-100,231,911.27-39,591,936.27

Finding the Fourth Proportional to 72,632,410.56, 100,231,911.27 and 39,591,936.27

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Solution

The fourth proportional to 72,632,410.56, 100,231,911.27 and 39,591,936.27 is: 54,636,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,632,410.56 : 100,231,911.27 = 39,591,936.27 : x
  2. Step 2: Convert to fraction form
    72,632,410.56/100,231,911.27 = 39,591,936.27/x
  3. Step 3: Cross multiply
    72,632,410.56x = 100,231,911.27 × 39,591,936.27
  4. Step 4: Simplify right side
    72,632,410.56x = 3,968,375,443,222,135
  5. Step 5: Solve for x
    x = 3,968,375,443,222,135/72,632,410.56
  6. Step 6: Final answer
    x = 54,636,427.63

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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.