Home / 54,193,807.42-81,290,006.73-13,253,601.44

Finding the Fourth Proportional to 54,193,807.42, 81,290,006.73 and 13,253,601.44

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Solution

The fourth proportional to 54,193,807.42, 81,290,006.73 and 13,253,601.44 is: 19,880,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193,807.42 : 81,290,006.73 = 13,253,601.44 : x
  2. Step 2: Convert to fraction form
    54,193,807.42/81,290,006.73 = 13,253,601.44/x
  3. Step 3: Cross multiply
    54,193,807.42x = 81,290,006.73 × 13,253,601.44
  4. Step 4: Simplify right side
    54,193,807.42x = 1,077,385,350,457,562.88
  5. Step 5: Solve for x
    x = 1,077,385,350,457,562.88/54,193,807.42
  6. Step 6: Final answer
    x = 19,880,229.90

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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.