Home / 45,792,007.20-68,667,015.60-20,219,853.60

Finding the Fourth Proportional to 45,792,007.20, 68,667,015.60 and 20,219,853.60

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Solution

The fourth proportional to 45,792,007.20, 68,667,015.60 and 20,219,853.60 is: 30,320,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,792,007.20 : 68,667,015.60 = 20,219,853.60 : x
  2. Step 2: Convert to fraction form
    45,792,007.20/68,667,015.60 = 20,219,853.60/x
  3. Step 3: Cross multiply
    45,792,007.20x = 68,667,015.60 × 20,219,853.60
  4. Step 4: Simplify right side
    45,792,007.20x = 1,388,437,002,580,916.25
  5. Step 5: Solve for x
    x = 1,388,437,002,580,916.25/45,792,007.20
  6. Step 6: Final answer
    x = 30,320,509.79

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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.