Home / 205,951,922.20-308,927,883.30-108,870,117.40

Finding the Fourth Proportional to 205,951,922.20, 308,927,883.30 and 108,870,117.40

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Solution

The fourth proportional to 205,951,922.20, 308,927,883.30 and 108,870,117.40 is: 163,305,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,951,922.20 : 308,927,883.30 = 108,870,117.40 : x
  2. Step 2: Convert to fraction form
    205,951,922.20/308,927,883.30 = 108,870,117.40/x
  3. Step 3: Cross multiply
    205,951,922.20x = 308,927,883.30 × 108,870,117.40
  4. Step 4: Simplify right side
    205,951,922.20x = 33,633,014,923,004,504
  5. Step 5: Solve for x
    x = 33,633,014,923,004,504/205,951,922.20
  6. Step 6: Final answer
    x = 163,305,176.10

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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.