Home / 89,499,039.30-123,507,434.25-50,340,842.64

Finding the Fourth Proportional to 89,499,039.30, 123,507,434.25 and 50,340,842.64

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Solution

The fourth proportional to 89,499,039.30, 123,507,434.25 and 50,340,842.64 is: 69,469,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,499,039.30 : 123,507,434.25 = 50,340,842.64 : x
  2. Step 2: Convert to fraction form
    89,499,039.30/123,507,434.25 = 50,340,842.64/x
  3. Step 3: Cross multiply
    89,499,039.30x = 123,507,434.25 × 50,340,842.64
  4. Step 4: Simplify right side
    89,499,039.30x = 6,217,468,312,449,396
  5. Step 5: Solve for x
    x = 6,217,468,312,449,396/89,499,039.30
  6. Step 6: Final answer
    x = 69,469,665.38

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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.