Home / 30,929,115.92-42,682,181.32-17,179,359.44

Finding the Fourth Proportional to 30,929,115.92, 42,682,181.32 and 17,179,359.44

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Solution

The fourth proportional to 30,929,115.92, 42,682,181.32 and 17,179,359.44 is: 23,707,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,929,115.92 : 42,682,181.32 = 17,179,359.44 : x
  2. Step 2: Convert to fraction form
    30,929,115.92/42,682,181.32 = 17,179,359.44/x
  3. Step 3: Cross multiply
    30,929,115.92x = 42,682,181.32 × 17,179,359.44
  4. Step 4: Simplify right side
    30,929,115.92x = 733,252,534,579,533.75
  5. Step 5: Solve for x
    x = 733,252,534,579,533.75/30,929,115.92
  6. Step 6: Final answer
    x = 23,707,516.78

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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.