Home / 221,447,896.20-332,171,844.30-210,362,430.60

Finding the Fourth Proportional to 221,447,896.20, 332,171,844.30 and 210,362,430.60

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Solution

The fourth proportional to 221,447,896.20, 332,171,844.30 and 210,362,430.60 is: 315,543,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,447,896.20 : 332,171,844.30 = 210,362,430.60 : x
  2. Step 2: Convert to fraction form
    221,447,896.20/332,171,844.30 = 210,362,430.60/x
  3. Step 3: Cross multiply
    221,447,896.20x = 332,171,844.30 × 210,362,430.60
  4. Step 4: Simplify right side
    221,447,896.20x = 69,876,476,543,832,760
  5. Step 5: Solve for x
    x = 69,876,476,543,832,760/221,447,896.20
  6. Step 6: Final answer
    x = 315,543,645.90

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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.