Home / 165,235,019,680.82-247,965,745,073.36-57,669,290,836.58

Finding the Fourth Proportional to 165,235,019,680.82, 247,965,745,073.36 and 57,669,290,836.58

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Solution

The fourth proportional to 165,235,019,680.82, 247,965,745,073.36 and 57,669,290,836.58 is: 86,543,450,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,235,019,680.82 : 247,965,745,073.36 = 57,669,290,836.58 : x
  2. Step 2: Convert to fraction form
    165,235,019,680.82/247,965,745,073.36 = 57,669,290,836.58/x
  3. Step 3: Cross multiply
    165,235,019,680.82x = 247,965,745,073.36 × 57,669,290,836.58
  4. Step 4: Simplify right side
    165,235,019,680.82x = 14,300,008,670,143,858,081,792
  5. Step 5: Solve for x
    x = 14,300,008,670,143,858,081,792/165,235,019,680.82
  6. Step 6: Final answer
    x = 86,543,450,037.21

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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.