Home / 205,883,336.70-308,825,005.05-124,253,999.10

Finding the Fourth Proportional to 205,883,336.70, 308,825,005.05 and 124,253,999.10

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Solution

The fourth proportional to 205,883,336.70, 308,825,005.05 and 124,253,999.10 is: 186,380,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,883,336.70 : 308,825,005.05 = 124,253,999.10 : x
  2. Step 2: Convert to fraction form
    205,883,336.70/308,825,005.05 = 124,253,999.10/x
  3. Step 3: Cross multiply
    205,883,336.70x = 308,825,005.05 × 124,253,999.10
  4. Step 4: Simplify right side
    205,883,336.70x = 38,372,741,899,540,192
  5. Step 5: Solve for x
    x = 38,372,741,899,540,192/205,883,336.70
  6. Step 6: Final answer
    x = 186,380,998.65

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Similar ratio
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1.5x scale

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.