Home / 281,503,174.95-422,325,093.51-198,666,667.11

Finding the Fourth Proportional to 281,503,174.95, 422,325,093.51 and 198,666,667.11

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Solution

The fourth proportional to 281,503,174.95, 422,325,093.51 and 198,666,667.11 is: 298,049,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,503,174.95 : 422,325,093.51 = 198,666,667.11 : x
  2. Step 2: Convert to fraction form
    281,503,174.95/422,325,093.51 = 198,666,667.11/x
  3. Step 3: Cross multiply
    281,503,174.95x = 422,325,093.51 × 198,666,667.11
  4. Step 4: Simplify right side
    281,503,174.95x = 83,901,918,766,134,512
  5. Step 5: Solve for x
    x = 83,901,918,766,134,512/281,503,174.95
  6. Step 6: Final answer
    x = 298,049,635.78

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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.