Home / 320,798,102.88-481,300,785.24-148,388,013.72

Finding the Fourth Proportional to 320,798,102.88, 481,300,785.24 and 148,388,013.72

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Solution

The fourth proportional to 320,798,102.88, 481,300,785.24 and 148,388,013.72 is: 222,629,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,102.88 : 481,300,785.24 = 148,388,013.72 : x
  2. Step 2: Convert to fraction form
    320,798,102.88/481,300,785.24 = 148,388,013.72/x
  3. Step 3: Cross multiply
    320,798,102.88x = 481,300,785.24 × 148,388,013.72
  4. Step 4: Simplify right side
    320,798,102.88x = 71,419,267,523,639,896
  5. Step 5: Solve for x
    x = 71,419,267,523,639,896/320,798,102.88
  6. Step 6: Final answer
    x = 222,629,955.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.