Home / 220,490,967.21-330,736,450.71-82,327,364.18

Finding the Fourth Proportional to 220,490,967.21, 330,736,450.71 and 82,327,364.18

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Solution

The fourth proportional to 220,490,967.21, 330,736,450.71 and 82,327,364.18 is: 123,491,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,490,967.21 : 330,736,450.71 = 82,327,364.18 : x
  2. Step 2: Convert to fraction form
    220,490,967.21/330,736,450.71 = 82,327,364.18/x
  3. Step 3: Cross multiply
    220,490,967.21x = 330,736,450.71 × 82,327,364.18
  4. Step 4: Simplify right side
    220,490,967.21x = 27,228,660,223,549,104
  5. Step 5: Solve for x
    x = 27,228,660,223,549,104/220,490,967.21
  6. Step 6: Final answer
    x = 123,491,046.22

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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.