Home / 198,054,778.80-296,410,321.80-173,868,308.40

Finding the Fourth Proportional to 198,054,778.80, 296,410,321.80 and 173,868,308.40

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Solution

The fourth proportional to 198,054,778.80, 296,410,321.80 and 173,868,308.40 is: 260,212,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054,778.80 : 296,410,321.80 = 173,868,308.40 : x
  2. Step 2: Convert to fraction form
    198,054,778.80/296,410,321.80 = 173,868,308.40/x
  3. Step 3: Cross multiply
    198,054,778.80x = 296,410,321.80 × 173,868,308.40
  4. Step 4: Simplify right side
    198,054,778.80x = 51,536,361,243,665,648
  5. Step 5: Solve for x
    x = 51,536,361,243,665,648/198,054,778.80
  6. Step 6: Final answer
    x = 260,212,662.15

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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.