Home / 86,920,128,025.20-130,380,192,037.80-31,085,661,106.80

Finding the Fourth Proportional to 86,920,128,025.20, 130,380,192,037.80 and 31,085,661,106.80

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Solution

The fourth proportional to 86,920,128,025.20, 130,380,192,037.80 and 31,085,661,106.80 is: 46,628,491,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,025.20 : 130,380,192,037.80 = 31,085,661,106.80 : x
  2. Step 2: Convert to fraction form
    86,920,128,025.20/130,380,192,037.80 = 31,085,661,106.80/x
  3. Step 3: Cross multiply
    86,920,128,025.20x = 130,380,192,037.80 × 31,085,661,106.80
  4. Step 4: Simplify right side
    86,920,128,025.20x = 4,052,954,464,726,554,247,168
  5. Step 5: Solve for x
    x = 4,052,954,464,726,554,247,168/86,920,128,025.20
  6. Step 6: Final answer
    x = 46,628,491,660.20

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Double scale
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Similar ratio
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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.