Home / 81,422,091.09-122,103,571.13-44,561,223.39

Finding the Fourth Proportional to 81,422,091.09, 122,103,571.13 and 44,561,223.39

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Solution

The fourth proportional to 81,422,091.09, 122,103,571.13 and 44,561,223.39 is: 66,825,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422,091.09 : 122,103,571.13 = 44,561,223.39 : x
  2. Step 2: Convert to fraction form
    81,422,091.09/122,103,571.13 = 44,561,223.39/x
  3. Step 3: Cross multiply
    81,422,091.09x = 122,103,571.13 × 44,561,223.39
  4. Step 4: Simplify right side
    81,422,091.09x = 5,441,084,509,617,879
  5. Step 5: Solve for x
    x = 5,441,084,509,617,879/81,422,091.09
  6. Step 6: Final answer
    x = 66,825,654.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.