Home / 298,027,930.80-447,552,001.80-161,979,034.80

Finding the Fourth Proportional to 298,027,930.80, 447,552,001.80 and 161,979,034.80

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Solution

The fourth proportional to 298,027,930.80, 447,552,001.80 and 161,979,034.80 is: 243,245,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,027,930.80 : 447,552,001.80 = 161,979,034.80 : x
  2. Step 2: Convert to fraction form
    298,027,930.80/447,552,001.80 = 161,979,034.80/x
  3. Step 3: Cross multiply
    298,027,930.80x = 447,552,001.80 × 161,979,034.80
  4. Step 4: Simplify right side
    298,027,930.80x = 72,494,041,274,371,872
  5. Step 5: Solve for x
    x = 72,494,041,274,371,872/298,027,930.80
  6. Step 6: Final answer
    x = 243,245,796.06

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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.