Home / 69,410,749.20-104,115,599.64-20,888,394

Finding the Fourth Proportional to 69,410,749.20, 104,115,599.64 and 20,888,394

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Solution

The fourth proportional to 69,410,749.20, 104,115,599.64 and 20,888,394 is: 31,332,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410,749.20 : 104,115,599.64 = 20,888,394 : x
  2. Step 2: Convert to fraction form
    69,410,749.20/104,115,599.64 = 20,888,394/x
  3. Step 3: Cross multiply
    69,410,749.20x = 104,115,599.64 × 20,888,394
  4. Step 4: Simplify right side
    69,410,749.20x = 2,174,807,666,826,578.25
  5. Step 5: Solve for x
    x = 2,174,807,666,826,578.25/69,410,749.20
  6. Step 6: Final answer
    x = 31,332,433.26

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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.