Home / 298,229,876.48-411,543,991.68-166,077,689.60

Finding the Fourth Proportional to 298,229,876.48, 411,543,991.68 and 166,077,689.60

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Solution

The fourth proportional to 298,229,876.48, 411,543,991.68 and 166,077,689.60 is: 229,179,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,229,876.48 : 411,543,991.68 = 166,077,689.60 : x
  2. Step 2: Convert to fraction form
    298,229,876.48/411,543,991.68 = 166,077,689.60/x
  3. Step 3: Cross multiply
    298,229,876.48x = 411,543,991.68 × 166,077,689.60
  4. Step 4: Simplify right side
    298,229,876.48x = 68,348,275,306,976,024
  5. Step 5: Solve for x
    x = 68,348,275,306,976,024/298,229,876.48
  6. Step 6: Final answer
    x = 229,179,839.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.