Home / 82,328,016.70-123,492,025.05-21,743,742.70

Finding the Fourth Proportional to 82,328,016.70, 123,492,025.05 and 21,743,742.70

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Solution

The fourth proportional to 82,328,016.70, 123,492,025.05 and 21,743,742.70 is: 32,615,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,328,016.70 : 123,492,025.05 = 21,743,742.70 : x
  2. Step 2: Convert to fraction form
    82,328,016.70/123,492,025.05 = 21,743,742.70/x
  3. Step 3: Cross multiply
    82,328,016.70x = 123,492,025.05 × 21,743,742.70
  4. Step 4: Simplify right side
    82,328,016.70x = 2,685,178,818,189,154.50
  5. Step 5: Solve for x
    x = 2,685,178,818,189,154.50/82,328,016.70
  6. Step 6: Final answer
    x = 32,615,614.05

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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.