Home / 320,801,806.89-481,125,662.06-148,112,700.21

Finding the Fourth Proportional to 320,801,806.89, 481,125,662.06 and 148,112,700.21

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Solution

The fourth proportional to 320,801,806.89, 481,125,662.06 and 148,112,700.21 is: 222,133,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,801,806.89 : 481,125,662.06 = 148,112,700.21 : x
  2. Step 2: Convert to fraction form
    320,801,806.89/481,125,662.06 = 148,112,700.21/x
  3. Step 3: Cross multiply
    320,801,806.89x = 481,125,662.06 × 148,112,700.21
  4. Step 4: Simplify right side
    320,801,806.89x = 71,260,820,947,289,992
  5. Step 5: Solve for x
    x = 71,260,820,947,289,992/320,801,806.89
  6. Step 6: Final answer
    x = 222,133,477.48

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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.