Home / 205,917,045.21-308,873,615.18-52,560,985.05

Finding the Fourth Proportional to 205,917,045.21, 308,873,615.18 and 52,560,985.05

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Solution

The fourth proportional to 205,917,045.21, 308,873,615.18 and 52,560,985.05 is: 78,840,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,917,045.21 : 308,873,615.18 = 52,560,985.05 : x
  2. Step 2: Convert to fraction form
    205,917,045.21/308,873,615.18 = 52,560,985.05/x
  3. Step 3: Cross multiply
    205,917,045.21x = 308,873,615.18 × 52,560,985.05
  4. Step 4: Simplify right side
    205,917,045.21x = 16,234,701,469,552,628
  5. Step 5: Solve for x
    x = 16,234,701,469,552,628/205,917,045.21
  6. Step 6: Final answer
    x = 78,840,979.16

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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.