Home / 248,029,645.92-372,045,443.72-100,479,993

Finding the Fourth Proportional to 248,029,645.92, 372,045,443.72 and 100,479,993

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Solution

The fourth proportional to 248,029,645.92, 372,045,443.72 and 100,479,993 is: 150,720,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,029,645.92 : 372,045,443.72 = 100,479,993 : x
  2. Step 2: Convert to fraction form
    248,029,645.92/372,045,443.72 = 100,479,993/x
  3. Step 3: Cross multiply
    248,029,645.92x = 372,045,443.72 × 100,479,993
  4. Step 4: Simplify right side
    248,029,645.92x = 37,383,123,580,667,496
  5. Step 5: Solve for x
    x = 37,383,123,580,667,496/248,029,645.92
  6. Step 6: Final answer
    x = 150,720,384.42

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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.