Home / 111,487,922.80-167,231,884.20-82,790,108.80

Finding the Fourth Proportional to 111,487,922.80, 167,231,884.20 and 82,790,108.80

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Solution

The fourth proportional to 111,487,922.80, 167,231,884.20 and 82,790,108.80 is: 124,185,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487,922.80 : 167,231,884.20 = 82,790,108.80 : x
  2. Step 2: Convert to fraction form
    111,487,922.80/167,231,884.20 = 82,790,108.80/x
  3. Step 3: Cross multiply
    111,487,922.80x = 167,231,884.20 × 82,790,108.80
  4. Step 4: Simplify right side
    111,487,922.80x = 13,845,145,887,747,000
  5. Step 5: Solve for x
    x = 13,845,145,887,747,000/111,487,922.80
  6. Step 6: Final answer
    x = 124,185,163.20

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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.