Home / 217,289,179,576.30-299,859,082,232.60-120,943,198,405.86

Finding the Fourth Proportional to 217,289,179,576.30, 299,859,082,232.60 and 120,943,198,405.86

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Solution

The fourth proportional to 217,289,179,576.30, 299,859,082,232.60 and 120,943,198,405.86 is: 166,901,621,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,289,179,576.30 : 299,859,082,232.60 = 120,943,198,405.86 : x
  2. Step 2: Convert to fraction form
    217,289,179,576.30/299,859,082,232.60 = 120,943,198,405.86/x
  3. Step 3: Cross multiply
    217,289,179,576.30x = 299,859,082,232.60 × 120,943,198,405.86
  4. Step 4: Simplify right side
    217,289,179,576.30x = 36,265,916,476,256,428,228,608
  5. Step 5: Solve for x
    x = 36,265,916,476,256,428,228,608/217,289,179,576.30
  6. Step 6: Final answer
    x = 166,901,621,824.76

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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.