Home / 148,046,804.96-204,318,300.30-81,967,304.43

Finding the Fourth Proportional to 148,046,804.96, 204,318,300.30 and 81,967,304.43

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Solution

The fourth proportional to 148,046,804.96, 204,318,300.30 and 81,967,304.43 is: 113,122,470.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,046,804.96 : 204,318,300.30 = 81,967,304.43 : x
  2. Step 2: Convert to fraction form
    148,046,804.96/204,318,300.30 = 81,967,304.43/x
  3. Step 3: Cross multiply
    148,046,804.96x = 204,318,300.30 × 81,967,304.43
  4. Step 4: Simplify right side
    148,046,804.96x = 16,747,420,321,463,540
  5. Step 5: Solve for x
    x = 16,747,420,321,463,540/148,046,804.96
  6. Step 6: Final answer
    x = 113,122,470.47

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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.