Home / 55,385,717.22-83,082,118.82-21,307,063.14

Finding the Fourth Proportional to 55,385,717.22, 83,082,118.82 and 21,307,063.14

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Solution

The fourth proportional to 55,385,717.22, 83,082,118.82 and 21,307,063.14 is: 31,961,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,717.22 : 83,082,118.82 = 21,307,063.14 : x
  2. Step 2: Convert to fraction form
    55,385,717.22/83,082,118.82 = 21,307,063.14/x
  3. Step 3: Cross multiply
    55,385,717.22x = 83,082,118.82 × 21,307,063.14
  4. Step 4: Simplify right side
    55,385,717.22x = 1,770,235,951,396,187
  5. Step 5: Solve for x
    x = 1,770,235,951,396,187/55,385,717.22
  6. Step 6: Final answer
    x = 31,961,957.71

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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.