Home / 320,798,013.72-481,300,651.38-148,387,924.50

Finding the Fourth Proportional to 320,798,013.72, 481,300,651.38 and 148,387,924.50

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Solution

The fourth proportional to 320,798,013.72, 481,300,651.38 and 148,387,924.50 is: 222,629,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,013.72 : 481,300,651.38 = 148,387,924.50 : x
  2. Step 2: Convert to fraction form
    320,798,013.72/481,300,651.38 = 148,387,924.50/x
  3. Step 3: Cross multiply
    320,798,013.72x = 481,300,651.38 × 148,387,924.50
  4. Step 4: Simplify right side
    320,798,013.72x = 71,419,204,718,776,264
  5. Step 5: Solve for x
    x = 71,419,204,718,776,264/320,798,013.72
  6. Step 6: Final answer
    x = 222,629,822.08

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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.