Home / 84,783,314.20-127,174,971.30-20,957,906.20

Finding the Fourth Proportional to 84,783,314.20, 127,174,971.30 and 20,957,906.20

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Solution

The fourth proportional to 84,783,314.20, 127,174,971.30 and 20,957,906.20 is: 31,436,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,783,314.20 : 127,174,971.30 = 20,957,906.20 : x
  2. Step 2: Convert to fraction form
    84,783,314.20/127,174,971.30 = 20,957,906.20/x
  3. Step 3: Cross multiply
    84,783,314.20x = 127,174,971.30 × 20,957,906.20
  4. Step 4: Simplify right side
    84,783,314.20x = 2,665,321,119,493,092
  5. Step 5: Solve for x
    x = 2,665,321,119,493,092/84,783,314.20
  6. Step 6: Final answer
    x = 31,436,859.30

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Double scale
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Similar ratio
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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.