Home / 82,328,018.20-123,492,027.30-21,743,744.20

Finding the Fourth Proportional to 82,328,018.20, 123,492,027.30 and 21,743,744.20

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Solution

The fourth proportional to 82,328,018.20, 123,492,027.30 and 21,743,744.20 is: 32,615,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,328,018.20 : 123,492,027.30 = 21,743,744.20 : x
  2. Step 2: Convert to fraction form
    82,328,018.20/123,492,027.30 = 21,743,744.20/x
  3. Step 3: Cross multiply
    82,328,018.20x = 123,492,027.30 × 21,743,744.20
  4. Step 4: Simplify right side
    82,328,018.20x = 2,685,179,052,350,616.50
  5. Step 5: Solve for x
    x = 2,685,179,052,350,616.50/82,328,018.20
  6. Step 6: Final answer
    x = 32,615,616.30

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Double scale
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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.