Home / 321,082,591.80-443,130,734.58-179,991,919.38

Finding the Fourth Proportional to 321,082,591.80, 443,130,734.58 and 179,991,919.38

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Solution

The fourth proportional to 321,082,591.80, 443,130,734.58 and 179,991,919.38 is: 248,409,454.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,082,591.80 : 443,130,734.58 = 179,991,919.38 : x
  2. Step 2: Convert to fraction form
    321,082,591.80/443,130,734.58 = 179,991,919.38/x
  3. Step 3: Cross multiply
    321,082,591.80x = 443,130,734.58 × 179,991,919.38
  4. Step 4: Simplify right side
    321,082,591.80x = 79,759,951,453,323,536
  5. Step 5: Solve for x
    x = 79,759,951,453,323,536/321,082,591.80
  6. Step 6: Final answer
    x = 248,409,454.42

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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.