Home / 198,763,894.32-298,145,917.22-198,476,671.67

Finding the Fourth Proportional to 198,763,894.32, 298,145,917.22 and 198,476,671.67

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Solution

The fourth proportional to 198,763,894.32, 298,145,917.22 and 198,476,671.67 is: 297,715,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,763,894.32 : 298,145,917.22 = 198,476,671.67 : x
  2. Step 2: Convert to fraction form
    198,763,894.32/298,145,917.22 = 198,476,671.67/x
  3. Step 3: Cross multiply
    198,763,894.32x = 298,145,917.22 × 198,476,671.67
  4. Step 4: Simplify right side
    198,763,894.32x = 59,175,009,319,341,816
  5. Step 5: Solve for x
    x = 59,175,009,319,341,816/198,763,894.32
  6. Step 6: Final answer
    x = 297,715,083.12

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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.