Home / 324,961,546.80-487,131,625.80-120,434,775.60

Finding the Fourth Proportional to 324,961,546.80, 487,131,625.80 and 120,434,775.60

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Solution

The fourth proportional to 324,961,546.80, 487,131,625.80 and 120,434,775.60 is: 180,537,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,961,546.80 : 487,131,625.80 = 120,434,775.60 : x
  2. Step 2: Convert to fraction form
    324,961,546.80/487,131,625.80 = 120,434,775.60/x
  3. Step 3: Cross multiply
    324,961,546.80x = 487,131,625.80 × 120,434,775.60
  4. Step 4: Simplify right side
    324,961,546.80x = 58,667,588,040,886,168
  5. Step 5: Solve for x
    x = 58,667,588,040,886,168/324,961,546.80
  6. Step 6: Final answer
    x = 180,537,016.21

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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.