Home / 66,822,452.20-100,233,678.30-50,897,204.20

Finding the Fourth Proportional to 66,822,452.20, 100,233,678.30 and 50,897,204.20

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Solution

The fourth proportional to 66,822,452.20, 100,233,678.30 and 50,897,204.20 is: 76,345,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822,452.20 : 100,233,678.30 = 50,897,204.20 : x
  2. Step 2: Convert to fraction form
    66,822,452.20/100,233,678.30 = 50,897,204.20/x
  3. Step 3: Cross multiply
    66,822,452.20x = 100,233,678.30 × 50,897,204.20
  4. Step 4: Simplify right side
    66,822,452.20x = 5,101,613,992,152,209
  5. Step 5: Solve for x
    x = 5,101,613,992,152,209/66,822,452.20
  6. Step 6: Final answer
    x = 76,345,806.30

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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.