Home / 209,102,224.77-313,612,002.84-198,732,433.05

Finding the Fourth Proportional to 209,102,224.77, 313,612,002.84 and 198,732,433.05

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Solution

The fourth proportional to 209,102,224.77, 313,612,002.84 and 198,732,433.05 is: 298,059,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,102,224.77 : 313,612,002.84 = 198,732,433.05 : x
  2. Step 2: Convert to fraction form
    209,102,224.77/313,612,002.84 = 198,732,433.05/x
  3. Step 3: Cross multiply
    209,102,224.77x = 313,612,002.84 × 198,732,433.05
  4. Step 4: Simplify right side
    209,102,224.77x = 62,324,876,358,076,712
  5. Step 5: Solve for x
    x = 62,324,876,358,076,712/209,102,224.77
  6. Step 6: Final answer
    x = 298,059,365.11

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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.