Home / 275,046,834.06-412,525,398.15-80,912,841.30

Finding the Fourth Proportional to 275,046,834.06, 412,525,398.15 and 80,912,841.30

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Solution

The fourth proportional to 275,046,834.06, 412,525,398.15 and 80,912,841.30 is: 121,356,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,046,834.06 : 412,525,398.15 = 80,912,841.30 : x
  2. Step 2: Convert to fraction form
    275,046,834.06/412,525,398.15 = 80,912,841.30/x
  3. Step 3: Cross multiply
    275,046,834.06x = 412,525,398.15 × 80,912,841.30
  4. Step 4: Simplify right side
    275,046,834.06x = 33,378,602,072,730,260
  5. Step 5: Solve for x
    x = 33,378,602,072,730,260/275,046,834.06
  6. Step 6: Final answer
    x = 121,356,067.18

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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.