Home / 123,601,201.60-170,569,845.06-67,085,967.79

Finding the Fourth Proportional to 123,601,201.60, 170,569,845.06 and 67,085,967.79

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Solution

The fourth proportional to 123,601,201.60, 170,569,845.06 and 67,085,967.79 is: 92,578,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,601,201.60 : 170,569,845.06 = 67,085,967.79 : x
  2. Step 2: Convert to fraction form
    123,601,201.60/170,569,845.06 = 67,085,967.79/x
  3. Step 3: Cross multiply
    123,601,201.60x = 170,569,845.06 × 67,085,967.79
  4. Step 4: Simplify right side
    123,601,201.60x = 11,442,843,131,640,450
  5. Step 5: Solve for x
    x = 11,442,843,131,640,450/123,601,201.60
  6. Step 6: Final answer
    x = 92,578,736.97

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1.5x scale

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.