Home / 71,012,138.20-106,518,207.30-25,568,027.80

Finding the Fourth Proportional to 71,012,138.20, 106,518,207.30 and 25,568,027.80

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Solution

The fourth proportional to 71,012,138.20, 106,518,207.30 and 25,568,027.80 is: 38,352,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,012,138.20 : 106,518,207.30 = 25,568,027.80 : x
  2. Step 2: Convert to fraction form
    71,012,138.20/106,518,207.30 = 25,568,027.80/x
  3. Step 3: Cross multiply
    71,012,138.20x = 106,518,207.30 × 25,568,027.80
  4. Step 4: Simplify right side
    71,012,138.20x = 2,723,460,485,452,563
  5. Step 5: Solve for x
    x = 2,723,460,485,452,563/71,012,138.20
  6. Step 6: Final answer
    x = 38,352,041.70

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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.