Home / 199,320,336.80-298,980,505.20-108,621,072.80

Finding the Fourth Proportional to 199,320,336.80, 298,980,505.20 and 108,621,072.80

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Solution

The fourth proportional to 199,320,336.80, 298,980,505.20 and 108,621,072.80 is: 162,931,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320,336.80 : 298,980,505.20 = 108,621,072.80 : x
  2. Step 2: Convert to fraction form
    199,320,336.80/298,980,505.20 = 108,621,072.80/x
  3. Step 3: Cross multiply
    199,320,336.80x = 298,980,505.20 × 108,621,072.80
  4. Step 4: Simplify right side
    199,320,336.80x = 32,475,583,221,109,976
  5. Step 5: Solve for x
    x = 32,475,583,221,109,976/199,320,336.80
  6. Step 6: Final answer
    x = 162,931,609.20

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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.