Home / 199,169,049.92-274,872,882.66-120,846,456.32

Finding the Fourth Proportional to 199,169,049.92, 274,872,882.66 and 120,846,456.32

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Solution

The fourth proportional to 199,169,049.92, 274,872,882.66 and 120,846,456.32 is: 166,779,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,169,049.92 : 274,872,882.66 = 120,846,456.32 : x
  2. Step 2: Convert to fraction form
    199,169,049.92/274,872,882.66 = 120,846,456.32/x
  3. Step 3: Cross multiply
    199,169,049.92x = 274,872,882.66 × 120,846,456.32
  4. Step 4: Simplify right side
    199,169,049.92x = 33,217,413,807,924,176
  5. Step 5: Solve for x
    x = 33,217,413,807,924,176/199,169,049.92
  6. Step 6: Final answer
    x = 166,779,998.30

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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.