Home / 86,920,128,023.70-130,380,192,035.55-31,085,661,105.30

Finding the Fourth Proportional to 86,920,128,023.70, 130,380,192,035.55 and 31,085,661,105.30

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Solution

The fourth proportional to 86,920,128,023.70, 130,380,192,035.55 and 31,085,661,105.30 is: 46,628,491,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,023.70 : 130,380,192,035.55 = 31,085,661,105.30 : x
  2. Step 2: Convert to fraction form
    86,920,128,023.70/130,380,192,035.55 = 31,085,661,105.30/x
  3. Step 3: Cross multiply
    86,920,128,023.70x = 130,380,192,035.55 × 31,085,661,105.30
  4. Step 4: Simplify right side
    86,920,128,023.70x = 4,052,954,464,461,041,696,768
  5. Step 5: Solve for x
    x = 4,052,954,464,461,041,696,768/86,920,128,023.70
  6. Step 6: Final answer
    x = 46,628,491,657.95

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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.