Home / 53,590,879.14-80,391,113.91-20,800,680.27

Finding the Fourth Proportional to 53,590,879.14, 80,391,113.91 and 20,800,680.27

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Solution

The fourth proportional to 53,590,879.14, 80,391,113.91 and 20,800,680.27 is: 31,202,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590,879.14 : 80,391,113.91 = 20,800,680.27 : x
  2. Step 2: Convert to fraction form
    53,590,879.14/80,391,113.91 = 20,800,680.27/x
  3. Step 3: Cross multiply
    53,590,879.14x = 80,391,113.91 × 20,800,680.27
  4. Step 4: Simplify right side
    53,590,879.14x = 1,672,189,856,991,059.50
  5. Step 5: Solve for x
    x = 1,672,189,856,991,059.50/53,590,879.14
  6. Step 6: Final answer
    x = 31,202,881.61

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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.