Home / 206,415,758.97-284,848,022.25-117,123,960.69

Finding the Fourth Proportional to 206,415,758.97, 284,848,022.25 and 117,123,960.69

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Solution

The fourth proportional to 206,415,758.97, 284,848,022.25 and 117,123,960.69 is: 161,627,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,415,758.97 : 284,848,022.25 = 117,123,960.69 : x
  2. Step 2: Convert to fraction form
    206,415,758.97/284,848,022.25 = 117,123,960.69/x
  3. Step 3: Cross multiply
    206,415,758.97x = 284,848,022.25 × 117,123,960.69
  4. Step 4: Simplify right side
    206,415,758.97x = 33,362,528,560,633,244
  5. Step 5: Solve for x
    x = 33,362,528,560,633,244/206,415,758.97
  6. Step 6: Final answer
    x = 161,627,817.21

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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.