Home / 69,645,346.31-104,468,464.67-20,460,998.44

Finding the Fourth Proportional to 69,645,346.31, 104,468,464.67 and 20,460,998.44

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Solution

The fourth proportional to 69,645,346.31, 104,468,464.67 and 20,460,998.44 is: 30,691,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,645,346.31 : 104,468,464.67 = 20,460,998.44 : x
  2. Step 2: Convert to fraction form
    69,645,346.31/104,468,464.67 = 20,460,998.44/x
  3. Step 3: Cross multiply
    69,645,346.31x = 104,468,464.67 × 20,460,998.44
  4. Step 4: Simplify right side
    69,645,346.31x = 2,137,529,092,082,711
  5. Step 5: Solve for x
    x = 2,137,529,092,082,711/69,645,346.31
  6. Step 6: Final answer
    x = 30,691,628.45

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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.