Home / 198,763,896.32-298,145,920.22-198,476,673.67

Finding the Fourth Proportional to 198,763,896.32, 298,145,920.22 and 198,476,673.67

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Solution

The fourth proportional to 198,763,896.32, 298,145,920.22 and 198,476,673.67 is: 297,715,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,763,896.32 : 298,145,920.22 = 198,476,673.67 : x
  2. Step 2: Convert to fraction form
    198,763,896.32/298,145,920.22 = 198,476,673.67/x
  3. Step 3: Cross multiply
    198,763,896.32x = 298,145,920.22 × 198,476,673.67
  4. Step 4: Simplify right side
    198,763,896.32x = 59,175,010,513,546,800
  5. Step 5: Solve for x
    x = 59,175,010,513,546,800/198,763,896.32
  6. Step 6: Final answer
    x = 297,715,086.14

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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.