Home / 278,719,382.84-418,052,059.34-84,632,504.13

Finding the Fourth Proportional to 278,719,382.84, 418,052,059.34 and 84,632,504.13

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Solution

The fourth proportional to 278,719,382.84, 418,052,059.34 and 84,632,504.13 is: 126,940,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,719,382.84 : 418,052,059.34 = 84,632,504.13 : x
  2. Step 2: Convert to fraction form
    278,719,382.84/418,052,059.34 = 84,632,504.13/x
  3. Step 3: Cross multiply
    278,719,382.84x = 418,052,059.34 × 84,632,504.13
  4. Step 4: Simplify right side
    278,719,382.84x = 35,380,792,638,224,388
  5. Step 5: Solve for x
    x = 35,380,792,638,224,388/278,719,382.84
  6. Step 6: Final answer
    x = 126,940,553.18

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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.