Home / 81,336,105.80-122,004,158.70-27,482,640.20

Finding the Fourth Proportional to 81,336,105.80, 122,004,158.70 and 27,482,640.20

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Solution

The fourth proportional to 81,336,105.80, 122,004,158.70 and 27,482,640.20 is: 41,223,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336,105.80 : 122,004,158.70 = 27,482,640.20 : x
  2. Step 2: Convert to fraction form
    81,336,105.80/122,004,158.70 = 27,482,640.20/x
  3. Step 3: Cross multiply
    81,336,105.80x = 122,004,158.70 × 27,482,640.20
  4. Step 4: Simplify right side
    81,336,105.80x = 3,352,996,396,455,799.50
  5. Step 5: Solve for x
    x = 3,352,996,396,455,799.50/81,336,105.80
  6. Step 6: Final answer
    x = 41,223,960.30

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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.