Home / 80,206,800.20-120,310,200.30-19,622,526.20

Finding the Fourth Proportional to 80,206,800.20, 120,310,200.30 and 19,622,526.20

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Solution

The fourth proportional to 80,206,800.20, 120,310,200.30 and 19,622,526.20 is: 29,433,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206,800.20 : 120,310,200.30 = 19,622,526.20 : x
  2. Step 2: Convert to fraction form
    80,206,800.20/120,310,200.30 = 19,622,526.20/x
  3. Step 3: Cross multiply
    80,206,800.20x = 120,310,200.30 × 19,622,526.20
  4. Step 4: Simplify right side
    80,206,800.20x = 2,360,790,057,513,997.50
  5. Step 5: Solve for x
    x = 2,360,790,057,513,997.50/80,206,800.20
  6. Step 6: Final answer
    x = 29,433,789.30

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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.