Home / 321,082,629.75-443,130,786.60-179,991,957

Finding the Fourth Proportional to 321,082,629.75, 443,130,786.60 and 179,991,957

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Solution

The fourth proportional to 321,082,629.75, 443,130,786.60 and 179,991,957 is: 248,409,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,082,629.75 : 443,130,786.60 = 179,991,957 : x
  2. Step 2: Convert to fraction form
    321,082,629.75/443,130,786.60 = 179,991,957/x
  3. Step 3: Cross multiply
    321,082,629.75x = 443,130,786.60 × 179,991,957
  4. Step 4: Simplify right side
    321,082,629.75x = 79,759,977,487,083,376
  5. Step 5: Solve for x
    x = 79,759,977,487,083,376/321,082,629.75
  6. Step 6: Final answer
    x = 248,409,506.14

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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.