Home / 111,491,676.38-153,796,520.07-103,600,469.50

Finding the Fourth Proportional to 111,491,676.38, 153,796,520.07 and 103,600,469.50

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Solution

The fourth proportional to 111,491,676.38, 153,796,520.07 and 103,600,469.50 is: 142,911,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,491,676.38 : 153,796,520.07 = 103,600,469.50 : x
  2. Step 2: Convert to fraction form
    111,491,676.38/153,796,520.07 = 103,600,469.50/x
  3. Step 3: Cross multiply
    111,491,676.38x = 153,796,520.07 × 103,600,469.50
  4. Step 4: Simplify right side
    111,491,676.38x = 15,933,391,686,333,682
  5. Step 5: Solve for x
    x = 15,933,391,686,333,682/111,491,676.38
  6. Step 6: Final answer
    x = 142,911,042.36

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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.