Home / 217,728,045.15-305,222,371.05-217,728,045.15

Finding the Fourth Proportional to 217,728,045.15, 305,222,371.05 and 217,728,045.15

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Solution

The fourth proportional to 217,728,045.15, 305,222,371.05 and 217,728,045.15 is: 305,222,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,045.15 : 305,222,371.05 = 217,728,045.15 : x
  2. Step 2: Convert to fraction form
    217,728,045.15/305,222,371.05 = 217,728,045.15/x
  3. Step 3: Cross multiply
    217,728,045.15x = 305,222,371.05 × 217,728,045.15
  4. Step 4: Simplify right side
    217,728,045.15x = 66,455,470,184,764,456
  5. Step 5: Solve for x
    x = 66,455,470,184,764,456/217,728,045.15
  6. Step 6: Final answer
    x = 305,222,371.05

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.