Home / 321,082,620-443,130,773.13-179,991,947.24

Finding the Fourth Proportional to 321,082,620, 443,130,773.13 and 179,991,947.24

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Solution

The fourth proportional to 321,082,620, 443,130,773.13 and 179,991,947.24 is: 248,409,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,082,620 : 443,130,773.13 = 179,991,947.24 : x
  2. Step 2: Convert to fraction form
    321,082,620/443,130,773.13 = 179,991,947.24/x
  3. Step 3: Cross multiply
    321,082,620x = 443,130,773.13 × 179,991,947.24
  4. Step 4: Simplify right side
    321,082,620x = 79,759,970,735,419,728
  5. Step 5: Solve for x
    x = 79,759,970,735,419,728/321,082,620
  6. Step 6: Final answer
    x = 248,409,492.66

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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.