Home / 205,917,047.21-308,873,618.17-52,560,987.05

Finding the Fourth Proportional to 205,917,047.21, 308,873,618.17 and 52,560,987.05

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Solution

The fourth proportional to 205,917,047.21, 308,873,618.17 and 52,560,987.05 is: 78,840,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,917,047.21 : 308,873,618.17 = 52,560,987.05 : x
  2. Step 2: Convert to fraction form
    205,917,047.21/308,873,618.17 = 52,560,987.05/x
  3. Step 3: Cross multiply
    205,917,047.21x = 308,873,618.17 × 52,560,987.05
  4. Step 4: Simplify right side
    205,917,047.21x = 16,234,702,244,720,014
  5. Step 5: Solve for x
    x = 16,234,702,244,720,014/205,917,047.21
  6. Step 6: Final answer
    x = 78,840,982.16

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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.