Home / 123,659,350.38-170,643,240.27-68,651,667.18

Finding the Fourth Proportional to 123,659,350.38, 170,643,240.27 and 68,651,667.18

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Solution

The fourth proportional to 123,659,350.38, 170,643,240.27 and 68,651,667.18 is: 94,735,601.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,659,350.38 : 170,643,240.27 = 68,651,667.18 : x
  2. Step 2: Convert to fraction form
    123,659,350.38/170,643,240.27 = 68,651,667.18/x
  3. Step 3: Cross multiply
    123,659,350.38x = 170,643,240.27 × 68,651,667.18
  4. Step 4: Simplify right side
    123,659,350.38x = 11,714,942,937,532,816
  5. Step 5: Solve for x
    x = 11,714,942,937,532,816/123,659,350.38
  6. Step 6: Final answer
    x = 94,735,601.49

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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.