Home / 69,977,479.74-104,965,845.94-18,162,044.54

Finding the Fourth Proportional to 69,977,479.74, 104,965,845.94 and 18,162,044.54

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Solution

The fourth proportional to 69,977,479.74, 104,965,845.94 and 18,162,044.54 is: 27,242,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977,479.74 : 104,965,845.94 = 18,162,044.54 : x
  2. Step 2: Convert to fraction form
    69,977,479.74/104,965,845.94 = 18,162,044.54/x
  3. Step 3: Cross multiply
    69,977,479.74x = 104,965,845.94 × 18,162,044.54
  4. Step 4: Simplify right side
    69,977,479.74x = 1,906,394,369,032,553.50
  5. Step 5: Solve for x
    x = 1,906,394,369,032,553.50/69,977,479.74
  6. Step 6: Final answer
    x = 27,242,969.83

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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.