Home / 86,920,128,082.20-130,380,192,123.30-31,085,661,163.80

Finding the Fourth Proportional to 86,920,128,082.20, 130,380,192,123.30 and 31,085,661,163.80

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Solution

The fourth proportional to 86,920,128,082.20, 130,380,192,123.30 and 31,085,661,163.80 is: 46,628,491,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,082.20 : 130,380,192,123.30 = 31,085,661,163.80 : x
  2. Step 2: Convert to fraction form
    86,920,128,082.20/130,380,192,123.30 = 31,085,661,163.80/x
  3. Step 3: Cross multiply
    86,920,128,082.20x = 130,380,192,123.30 × 31,085,661,163.80
  4. Step 4: Simplify right side
    86,920,128,082.20x = 4,052,954,474,816,049,512,448
  5. Step 5: Solve for x
    x = 4,052,954,474,816,049,512,448/86,920,128,082.20
  6. Step 6: Final answer
    x = 46,628,491,745.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.