Home / 66,936,843.96-99,954,512.19-54,665,151.50

Finding the Fourth Proportional to 66,936,843.96, 99,954,512.19 and 54,665,151.50

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Solution

The fourth proportional to 66,936,843.96, 99,954,512.19 and 54,665,151.50 is: 81,629,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936,843.96 : 99,954,512.19 = 54,665,151.50 : x
  2. Step 2: Convert to fraction form
    66,936,843.96/99,954,512.19 = 54,665,151.50/x
  3. Step 3: Cross multiply
    66,936,843.96x = 99,954,512.19 × 54,665,151.50
  4. Step 4: Simplify right side
    66,936,843.96x = 5,464,028,551,974,947
  5. Step 5: Solve for x
    x = 5,464,028,551,974,947/66,936,843.96
  6. Step 6: Final answer
    x = 81,629,611.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.