Home / 54,817,678.02-82,194,645.14-20,741,651.94

Finding the Fourth Proportional to 54,817,678.02, 82,194,645.14 and 20,741,651.94

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Solution

The fourth proportional to 54,817,678.02, 82,194,645.14 and 20,741,651.94 is: 31,100,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,817,678.02 : 82,194,645.14 = 20,741,651.94 : x
  2. Step 2: Convert to fraction form
    54,817,678.02/82,194,645.14 = 20,741,651.94/x
  3. Step 3: Cross multiply
    54,817,678.02x = 82,194,645.14 × 20,741,651.94
  4. Step 4: Simplify right side
    54,817,678.02x = 1,704,852,720,825,692.75
  5. Step 5: Solve for x
    x = 1,704,852,720,825,692.75/54,817,678.02
  6. Step 6: Final answer
    x = 31,100,418.38

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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.