Home / 148,022,017.11-204,272,791.38-81,039,849.57

Finding the Fourth Proportional to 148,022,017.11, 204,272,791.38 and 81,039,849.57

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Solution

The fourth proportional to 148,022,017.11, 204,272,791.38 and 81,039,849.57 is: 111,836,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,022,017.11 : 204,272,791.38 = 81,039,849.57 : x
  2. Step 2: Convert to fraction form
    148,022,017.11/204,272,791.38 = 81,039,849.57/x
  3. Step 3: Cross multiply
    148,022,017.11x = 204,272,791.38 × 81,039,849.57
  4. Step 4: Simplify right side
    148,022,017.11x = 16,554,236,284,679,190
  5. Step 5: Solve for x
    x = 16,554,236,284,679,190/148,022,017.11
  6. Step 6: Final answer
    x = 111,836,310.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.