Home / 329,827,577.38-494,802,186.54-108,511,378.72

Finding the Fourth Proportional to 329,827,577.38, 494,802,186.54 and 108,511,378.72

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Solution

The fourth proportional to 329,827,577.38, 494,802,186.54 and 108,511,378.72 is: 162,787,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,827,577.38 : 494,802,186.54 = 108,511,378.72 : x
  2. Step 2: Convert to fraction form
    329,827,577.38/494,802,186.54 = 108,511,378.72/x
  3. Step 3: Cross multiply
    329,827,577.38x = 494,802,186.54 × 108,511,378.72
  4. Step 4: Simplify right side
    329,827,577.38x = 53,691,667,455,126,032
  5. Step 5: Solve for x
    x = 53,691,667,455,126,032/329,827,577.38
  6. Step 6: Final answer
    x = 162,787,077.67

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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.