Home / 66,936,845.71-99,954,514.80-54,665,153.25

Finding the Fourth Proportional to 66,936,845.71, 99,954,514.80 and 54,665,153.25

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Solution

The fourth proportional to 66,936,845.71, 99,954,514.80 and 54,665,153.25 is: 81,629,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936,845.71 : 99,954,514.80 = 54,665,153.25 : x
  2. Step 2: Convert to fraction form
    66,936,845.71/99,954,514.80 = 54,665,153.25/x
  3. Step 3: Cross multiply
    66,936,845.71x = 99,954,514.80 × 54,665,153.25
  4. Step 4: Simplify right side
    66,936,845.71x = 5,464,028,869,571,393
  5. Step 5: Solve for x
    x = 5,464,028,869,571,393/66,936,845.71
  6. Step 6: Final answer
    x = 81,629,613.88

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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.