Home / 54,015,996.40-74,542,069.18-29,236,178.72

Finding the Fourth Proportional to 54,015,996.40, 74,542,069.18 and 29,236,178.72

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Solution

The fourth proportional to 54,015,996.40, 74,542,069.18 and 29,236,178.72 is: 40,345,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015,996.40 : 74,542,069.18 = 29,236,178.72 : x
  2. Step 2: Convert to fraction form
    54,015,996.40/74,542,069.18 = 29,236,178.72/x
  3. Step 3: Cross multiply
    54,015,996.40x = 74,542,069.18 × 29,236,178.72
  4. Step 4: Simplify right side
    54,015,996.40x = 2,179,325,256,705,084
  5. Step 5: Solve for x
    x = 2,179,325,256,705,084/54,015,996.40
  6. Step 6: Final answer
    x = 40,345,923.47

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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.