Home / 66,936,872.28-99,954,554.58-54,665,179.98

Finding the Fourth Proportional to 66,936,872.28, 99,954,554.58 and 54,665,179.98

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Solution

The fourth proportional to 66,936,872.28, 99,954,554.58 and 54,665,179.98 is: 81,629,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936,872.28 : 99,954,554.58 = 54,665,179.98 : x
  2. Step 2: Convert to fraction form
    66,936,872.28/99,954,554.58 = 54,665,179.98/x
  3. Step 3: Cross multiply
    66,936,872.28x = 99,954,554.58 × 54,665,179.98
  4. Step 4: Simplify right side
    66,936,872.28x = 5,464,033,715,936,433
  5. Step 5: Solve for x
    x = 5,464,033,715,936,433/66,936,872.28
  6. Step 6: Final answer
    x = 81,629,653.88

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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.