Home / 82,749,234.48-114,193,942.56-47,962,102.80

Finding the Fourth Proportional to 82,749,234.48, 114,193,942.56 and 47,962,102.80

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Solution

The fourth proportional to 82,749,234.48, 114,193,942.56 and 47,962,102.80 is: 66,187,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,749,234.48 : 114,193,942.56 = 47,962,102.80 : x
  2. Step 2: Convert to fraction form
    82,749,234.48/114,193,942.56 = 47,962,102.80/x
  3. Step 3: Cross multiply
    82,749,234.48x = 114,193,942.56 × 47,962,102.80
  4. Step 4: Simplify right side
    82,749,234.48x = 5,476,981,612,200,015
  5. Step 5: Solve for x
    x = 5,476,981,612,200,015/82,749,234.48
  6. Step 6: Final answer
    x = 66,187,701.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.