Home / 198,963,080.40-298,161,185.40-146,740,144.80

Finding the Fourth Proportional to 198,963,080.40, 298,161,185.40 and 146,740,144.80

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Solution

The fourth proportional to 198,963,080.40, 298,161,185.40 and 146,740,144.80 is: 219,901,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,963,080.40 : 298,161,185.40 = 146,740,144.80 : x
  2. Step 2: Convert to fraction form
    198,963,080.40/298,161,185.40 = 146,740,144.80/x
  3. Step 3: Cross multiply
    198,963,080.40x = 298,161,185.40 × 146,740,144.80
  4. Step 4: Simplify right side
    198,963,080.40x = 43,752,215,519,335,648
  5. Step 5: Solve for x
    x = 43,752,215,519,335,648/198,963,080.40
  6. Step 6: Final answer
    x = 219,901,176.80

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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.