Home / 278,728,828.58-384,536,918.58-159,587,747.04

Finding the Fourth Proportional to 278,728,828.58, 384,536,918.58 and 159,587,747.04

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Solution

The fourth proportional to 278,728,828.58, 384,536,918.58 and 159,587,747.04 is: 220,168,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,728,828.58 : 384,536,918.58 = 159,587,747.04 : x
  2. Step 2: Convert to fraction form
    278,728,828.58/384,536,918.58 = 159,587,747.04/x
  3. Step 3: Cross multiply
    278,728,828.58x = 384,536,918.58 × 159,587,747.04
  4. Step 4: Simplify right side
    278,728,828.58x = 61,367,380,489,886,112
  5. Step 5: Solve for x
    x = 61,367,380,489,886,112/278,728,828.58
  6. Step 6: Final answer
    x = 220,168,759.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.