Home / 43,981,815.20-66,004,215.60-18,441,154.40

Finding the Fourth Proportional to 43,981,815.20, 66,004,215.60 and 18,441,154.40

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Solution

The fourth proportional to 43,981,815.20, 66,004,215.60 and 18,441,154.40 is: 27,674,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981,815.20 : 66,004,215.60 = 18,441,154.40 : x
  2. Step 2: Convert to fraction form
    43,981,815.20/66,004,215.60 = 18,441,154.40/x
  3. Step 3: Cross multiply
    43,981,815.20x = 66,004,215.60 × 18,441,154.40
  4. Step 4: Simplify right side
    43,981,815.20x = 1,217,193,930,930,488.50
  5. Step 5: Solve for x
    x = 1,217,193,930,930,488.50/43,981,815.20
  6. Step 6: Final answer
    x = 27,674,936.23

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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.