Home / 82,328,014.20-123,492,021.30-21,743,740.20

Finding the Fourth Proportional to 82,328,014.20, 123,492,021.30 and 21,743,740.20

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Solution

The fourth proportional to 82,328,014.20, 123,492,021.30 and 21,743,740.20 is: 32,615,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,328,014.20 : 123,492,021.30 = 21,743,740.20 : x
  2. Step 2: Convert to fraction form
    82,328,014.20/123,492,021.30 = 21,743,740.20/x
  3. Step 3: Cross multiply
    82,328,014.20x = 123,492,021.30 × 21,743,740.20
  4. Step 4: Simplify right side
    82,328,014.20x = 2,685,178,427,920,066
  5. Step 5: Solve for x
    x = 2,685,178,427,920,066/82,328,014.20
  6. Step 6: Final answer
    x = 32,615,610.30

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Double scale
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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.