Home / 49,206,752.20-73,810,128.30-20,443,328.20

Finding the Fourth Proportional to 49,206,752.20, 73,810,128.30 and 20,443,328.20

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Solution

The fourth proportional to 49,206,752.20, 73,810,128.30 and 20,443,328.20 is: 30,664,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,206,752.20 : 73,810,128.30 = 20,443,328.20 : x
  2. Step 2: Convert to fraction form
    49,206,752.20/73,810,128.30 = 20,443,328.20/x
  3. Step 3: Cross multiply
    49,206,752.20x = 73,810,128.30 × 20,443,328.20
  4. Step 4: Simplify right side
    49,206,752.20x = 1,508,924,677,321,008
  5. Step 5: Solve for x
    x = 1,508,924,677,321,008/49,206,752.20
  6. Step 6: Final answer
    x = 30,664,992.30

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Similar ratio
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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.