Home / 321,082,631.25-443,130,788.67-179,991,958.50

Finding the Fourth Proportional to 321,082,631.25, 443,130,788.67 and 179,991,958.50

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Solution

The fourth proportional to 321,082,631.25, 443,130,788.67 and 179,991,958.50 is: 248,409,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,082,631.25 : 443,130,788.67 = 179,991,958.50 : x
  2. Step 2: Convert to fraction form
    321,082,631.25/443,130,788.67 = 179,991,958.50/x
  3. Step 3: Cross multiply
    321,082,631.25x = 443,130,788.67 × 179,991,958.50
  4. Step 4: Simplify right side
    321,082,631.25x = 79,759,978,524,362,912
  5. Step 5: Solve for x
    x = 79,759,978,524,362,912/321,082,631.25
  6. Step 6: Final answer
    x = 248,409,508.21

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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.