Home / 123,601,200.60-170,569,843.68-67,085,966.79

Finding the Fourth Proportional to 123,601,200.60, 170,569,843.68 and 67,085,966.79

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Solution

The fourth proportional to 123,601,200.60, 170,569,843.68 and 67,085,966.79 is: 92,578,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,601,200.60 : 170,569,843.68 = 67,085,966.79 : x
  2. Step 2: Convert to fraction form
    123,601,200.60/170,569,843.68 = 67,085,966.79/x
  3. Step 3: Cross multiply
    123,601,200.60x = 170,569,843.68 × 67,085,966.79
  4. Step 4: Simplify right side
    123,601,200.60x = 11,442,842,868,491,972
  5. Step 5: Solve for x
    x = 11,442,842,868,491,972/123,601,200.60
  6. Step 6: Final answer
    x = 92,578,735.59

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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.