Home / 219,883,244.80-329,824,867.20-198,720,083.20

Finding the Fourth Proportional to 219,883,244.80, 329,824,867.20 and 198,720,083.20

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Solution

The fourth proportional to 219,883,244.80, 329,824,867.20 and 198,720,083.20 is: 298,080,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,883,244.80 : 329,824,867.20 = 198,720,083.20 : x
  2. Step 2: Convert to fraction form
    219,883,244.80/329,824,867.20 = 198,720,083.20/x
  3. Step 3: Cross multiply
    219,883,244.80x = 329,824,867.20 × 198,720,083.20
  4. Step 4: Simplify right side
    219,883,244.80x = 65,542,825,051,412,944
  5. Step 5: Solve for x
    x = 65,542,825,051,412,944/219,883,244.80
  6. Step 6: Final answer
    x = 298,080,124.80

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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.