Home / 320,798,107.88-481,300,792.70-148,388,018.68

Finding the Fourth Proportional to 320,798,107.88, 481,300,792.70 and 148,388,018.68

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Solution

The fourth proportional to 320,798,107.88, 481,300,792.70 and 148,388,018.68 is: 222,629,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,107.88 : 481,300,792.70 = 148,388,018.68 : x
  2. Step 2: Convert to fraction form
    320,798,107.88/481,300,792.70 = 148,388,018.68/x
  3. Step 3: Cross multiply
    320,798,107.88x = 481,300,792.70 × 148,388,018.68
  4. Step 4: Simplify right side
    320,798,107.88x = 71,419,271,017,866,408
  5. Step 5: Solve for x
    x = 71,419,271,017,866,408/320,798,107.88
  6. Step 6: Final answer
    x = 222,629,963.41

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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.