Home / 198,963,072.90-298,161,174.15-146,740,137.30

Finding the Fourth Proportional to 198,963,072.90, 298,161,174.15 and 146,740,137.30

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Solution

The fourth proportional to 198,963,072.90, 298,161,174.15 and 146,740,137.30 is: 219,901,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,963,072.90 : 298,161,174.15 = 146,740,137.30 : x
  2. Step 2: Convert to fraction form
    198,963,072.90/298,161,174.15 = 146,740,137.30/x
  3. Step 3: Cross multiply
    198,963,072.90x = 298,161,174.15 × 146,740,137.30
  4. Step 4: Simplify right side
    198,963,072.90x = 43,752,211,632,300,208
  5. Step 5: Solve for x
    x = 43,752,211,632,300,208/198,963,072.90
  6. Step 6: Final answer
    x = 219,901,165.55

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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.