Home / 205,951,715.70-308,927,573.55-108,869,910.90

Finding the Fourth Proportional to 205,951,715.70, 308,927,573.55 and 108,869,910.90

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Solution

The fourth proportional to 205,951,715.70, 308,927,573.55 and 108,869,910.90 is: 163,304,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,951,715.70 : 308,927,573.55 = 108,869,910.90 : x
  2. Step 2: Convert to fraction form
    205,951,715.70/308,927,573.55 = 108,869,910.90/x
  3. Step 3: Cross multiply
    205,951,715.70x = 308,927,573.55 × 108,869,910.90
  4. Step 4: Simplify right side
    205,951,715.70x = 33,632,917,406,941,700
  5. Step 5: Solve for x
    x = 33,632,917,406,941,700/205,951,715.70
  6. Step 6: Final answer
    x = 163,304,866.35

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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.