Home / 221,322,695.66-330,549,118.06-200,531,593.94

Finding the Fourth Proportional to 221,322,695.66, 330,549,118.06 and 200,531,593.94

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Solution

The fourth proportional to 221,322,695.66, 330,549,118.06 and 200,531,593.94 is: 299,497,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,322,695.66 : 330,549,118.06 = 200,531,593.94 : x
  2. Step 2: Convert to fraction form
    221,322,695.66/330,549,118.06 = 200,531,593.94/x
  3. Step 3: Cross multiply
    221,322,695.66x = 330,549,118.06 × 200,531,593.94
  4. Step 4: Simplify right side
    221,322,695.66x = 66,285,541,520,033,040
  5. Step 5: Solve for x
    x = 66,285,541,520,033,040/221,322,695.66
  6. Step 6: Final answer
    x = 299,497,262.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.