Home / 82,362,964.96-123,543,908.89-20,951,600.37

Finding the Fourth Proportional to 82,362,964.96, 123,543,908.89 and 20,951,600.37

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Solution

The fourth proportional to 82,362,964.96, 123,543,908.89 and 20,951,600.37 is: 31,427,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,362,964.96 : 123,543,908.89 = 20,951,600.37 : x
  2. Step 2: Convert to fraction form
    82,362,964.96/123,543,908.89 = 20,951,600.37/x
  3. Step 3: Cross multiply
    82,362,964.96x = 123,543,908.89 × 20,951,600.37
  4. Step 4: Simplify right side
    82,362,964.96x = 2,588,442,606,813,050
  5. Step 5: Solve for x
    x = 2,588,442,606,813,050/82,362,964.96
  6. Step 6: Final answer
    x = 31,427,263.55

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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.