Home / 82,835,998.20-124,253,997.30-70,081,414.20

Finding the Fourth Proportional to 82,835,998.20, 124,253,997.30 and 70,081,414.20

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Solution

The fourth proportional to 82,835,998.20, 124,253,997.30 and 70,081,414.20 is: 105,122,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835,998.20 : 124,253,997.30 = 70,081,414.20 : x
  2. Step 2: Convert to fraction form
    82,835,998.20/124,253,997.30 = 70,081,414.20/x
  3. Step 3: Cross multiply
    82,835,998.20x = 124,253,997.30 × 70,081,414.20
  4. Step 4: Simplify right side
    82,835,998.20x = 8,707,895,850,786,982
  5. Step 5: Solve for x
    x = 8,707,895,850,786,982/82,835,998.20
  6. Step 6: Final answer
    x = 105,122,121.30

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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.