Home / 147,667,111,255.28-203,777,957,200.54-83,436,456,512.88

Finding the Fourth Proportional to 147,667,111,255.28, 203,777,957,200.54 and 83,436,456,512.88

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Solution

The fourth proportional to 147,667,111,255.28, 203,777,957,200.54 and 83,436,456,512.88 is: 115,140,809,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,667,111,255.28 : 203,777,957,200.54 = 83,436,456,512.88 : x
  2. Step 2: Convert to fraction form
    147,667,111,255.28/203,777,957,200.54 = 83,436,456,512.88/x
  3. Step 3: Cross multiply
    147,667,111,255.28x = 203,777,957,200.54 × 83,436,456,512.88
  4. Step 4: Simplify right side
    147,667,111,255.28x = 17,002,510,664,246,379,937,792
  5. Step 5: Solve for x
    x = 17,002,510,664,246,379,937,792/147,667,111,255.28
  6. Step 6: Final answer
    x = 115,140,809,078.69

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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.