Home / 69,914,828.32-104,867,850.10-21,388,826.68

Finding the Fourth Proportional to 69,914,828.32, 104,867,850.10 and 21,388,826.68

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Solution

The fourth proportional to 69,914,828.32, 104,867,850.10 and 21,388,826.68 is: 32,081,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,828.32 : 104,867,850.10 = 21,388,826.68 : x
  2. Step 2: Convert to fraction form
    69,914,828.32/104,867,850.10 = 21,388,826.68/x
  3. Step 3: Cross multiply
    69,914,828.32x = 104,867,850.10 × 21,388,826.68
  4. Step 4: Simplify right side
    69,914,828.32x = 2,243,000,270,093,120.50
  5. Step 5: Solve for x
    x = 2,243,000,270,093,120.50/69,914,828.32
  6. Step 6: Final answer
    x = 32,081,896.27

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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.