Home / 83,871,823,127.20-115,743,469,393.27-47,250,377,893.58

Finding the Fourth Proportional to 83,871,823,127.20, 115,743,469,393.27 and 47,250,377,893.58

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Solution

The fourth proportional to 83,871,823,127.20, 115,743,469,393.27 and 47,250,377,893.58 is: 65,205,720,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,871,823,127.20 : 115,743,469,393.27 = 47,250,377,893.58 : x
  2. Step 2: Convert to fraction form
    83,871,823,127.20/115,743,469,393.27 = 47,250,377,893.58/x
  3. Step 3: Cross multiply
    83,871,823,127.20x = 115,743,469,393.27 × 47,250,377,893.58
  4. Step 4: Simplify right side
    83,871,823,127.20x = 5,468,922,667,546,018,054,144
  5. Step 5: Solve for x
    x = 5,468,922,667,546,018,054,144/83,871,823,127.20
  6. Step 6: Final answer
    x = 65,205,720,629.82

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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.