Home / 148,809,135.42-222,736,127.94-79,548,791.85

Finding the Fourth Proportional to 148,809,135.42, 222,736,127.94 and 79,548,791.85

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Solution

The fourth proportional to 148,809,135.42, 222,736,127.94 and 79,548,791.85 is: 119,067,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,809,135.42 : 222,736,127.94 = 79,548,791.85 : x
  2. Step 2: Convert to fraction form
    148,809,135.42/222,736,127.94 = 79,548,791.85/x
  3. Step 3: Cross multiply
    148,809,135.42x = 222,736,127.94 × 79,548,791.85
  4. Step 4: Simplify right side
    148,809,135.42x = 17,718,389,878,974,028
  5. Step 5: Solve for x
    x = 17,718,389,878,974,028/148,809,135.42
  6. Step 6: Final answer
    x = 119,067,890.75

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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.