Home / 69,928,639.73-104,875,067.58-20,732,989.37

Finding the Fourth Proportional to 69,928,639.73, 104,875,067.58 and 20,732,989.37

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Solution

The fourth proportional to 69,928,639.73, 104,875,067.58 and 20,732,989.37 is: 31,094,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,928,639.73 : 104,875,067.58 = 20,732,989.37 : x
  2. Step 2: Convert to fraction form
    69,928,639.73/104,875,067.58 = 20,732,989.37/x
  3. Step 3: Cross multiply
    69,928,639.73x = 104,875,067.58 × 20,732,989.37
  4. Step 4: Simplify right side
    69,928,639.73x = 2,174,373,661,314,171.75
  5. Step 5: Solve for x
    x = 2,174,373,661,314,171.75/69,928,639.73
  6. Step 6: Final answer
    x = 31,094,179.29

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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.