Home / 69,310,847.70-103,966,271.55-18,198,033.30

Finding the Fourth Proportional to 69,310,847.70, 103,966,271.55 and 18,198,033.30

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Solution

The fourth proportional to 69,310,847.70, 103,966,271.55 and 18,198,033.30 is: 27,297,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,310,847.70 : 103,966,271.55 = 18,198,033.30 : x
  2. Step 2: Convert to fraction form
    69,310,847.70/103,966,271.55 = 18,198,033.30/x
  3. Step 3: Cross multiply
    69,310,847.70x = 103,966,271.55 × 18,198,033.30
  4. Step 4: Simplify right side
    69,310,847.70x = 1,891,981,671,743,742.75
  5. Step 5: Solve for x
    x = 1,891,981,671,743,742.75/69,310,847.70
  6. Step 6: Final answer
    x = 27,297,049.95

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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.