Home / 54,817,816.06-82,194,851.64-20,741,789.98

Finding the Fourth Proportional to 54,817,816.06, 82,194,851.64 and 20,741,789.98

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Solution

The fourth proportional to 54,817,816.06, 82,194,851.64 and 20,741,789.98 is: 31,100,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,817,816.06 : 82,194,851.64 = 20,741,789.98 : x
  2. Step 2: Convert to fraction form
    54,817,816.06/82,194,851.64 = 20,741,789.98/x
  3. Step 3: Cross multiply
    54,817,816.06x = 82,194,851.64 × 20,741,789.98
  4. Step 4: Simplify right side
    54,817,816.06x = 1,704,868,350,154,138.50
  5. Step 5: Solve for x
    x = 1,704,868,350,154,138.50/54,817,816.06
  6. Step 6: Final answer
    x = 31,100,625.17

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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.