Home / 111,587,795.82-167,222,734.08-82,210,604.58

Finding the Fourth Proportional to 111,587,795.82, 167,222,734.08 and 82,210,604.58

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Solution

The fourth proportional to 111,587,795.82, 167,222,734.08 and 82,210,604.58 is: 123,198,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,587,795.82 : 167,222,734.08 = 82,210,604.58 : x
  2. Step 2: Convert to fraction form
    111,587,795.82/167,222,734.08 = 82,210,604.58/x
  3. Step 3: Cross multiply
    111,587,795.82x = 167,222,734.08 × 82,210,604.58
  4. Step 4: Simplify right side
    111,587,795.82x = 13,747,482,068,237,370
  5. Step 5: Solve for x
    x = 13,747,482,068,237,370/111,587,795.82
  6. Step 6: Final answer
    x = 123,198,795.78

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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.