Home / 204,933,970.78-307,400,715.23-66,759,351.78

Finding the Fourth Proportional to 204,933,970.78, 307,400,715.23 and 66,759,351.78

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Solution

The fourth proportional to 204,933,970.78, 307,400,715.23 and 66,759,351.78 is: 100,138,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,933,970.78 : 307,400,715.23 = 66,759,351.78 : x
  2. Step 2: Convert to fraction form
    204,933,970.78/307,400,715.23 = 66,759,351.78/x
  3. Step 3: Cross multiply
    204,933,970.78x = 307,400,715.23 × 66,759,351.78
  4. Step 4: Simplify right side
    204,933,970.78x = 20,521,872,485,463,176
  5. Step 5: Solve for x
    x = 20,521,872,485,463,176/204,933,970.78
  6. Step 6: Final answer
    x = 100,138,949.18

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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.