Home / 220,650,006.96-330,860,071.44-82,361,895.12

Finding the Fourth Proportional to 220,650,006.96, 330,860,071.44 and 82,361,895.12

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Solution

The fourth proportional to 220,650,006.96, 330,860,071.44 and 82,361,895.12 is: 123,499,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,650,006.96 : 330,860,071.44 = 82,361,895.12 : x
  2. Step 2: Convert to fraction form
    220,650,006.96/330,860,071.44 = 82,361,895.12/x
  3. Step 3: Cross multiply
    220,650,006.96x = 330,860,071.44 × 82,361,895.12
  4. Step 4: Simplify right side
    220,650,006.96x = 27,250,262,503,336,988
  5. Step 5: Solve for x
    x = 27,250,262,503,336,988/220,650,006.96
  6. Step 6: Final answer
    x = 123,499,939.47

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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.