Home / 111,019,770.75-166,543,910.91-51,890,851.61

Finding the Fourth Proportional to 111,019,770.75, 166,543,910.91 and 51,890,851.61

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Solution

The fourth proportional to 111,019,770.75, 166,543,910.91 and 51,890,851.61 is: 77,842,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019,770.75 : 166,543,910.91 = 51,890,851.61 : x
  2. Step 2: Convert to fraction form
    111,019,770.75/166,543,910.91 = 51,890,851.61/x
  3. Step 3: Cross multiply
    111,019,770.75x = 166,543,910.91 × 51,890,851.61
  4. Step 4: Simplify right side
    111,019,770.75x = 8,642,105,366,747,150
  5. Step 5: Solve for x
    x = 8,642,105,366,747,150/111,019,770.75
  6. Step 6: Final answer
    x = 77,842,940.12

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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.