Home / 279,354,296.80-418,770,891.64-94,995,790.64

Finding the Fourth Proportional to 279,354,296.80, 418,770,891.64 and 94,995,790.64

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Solution

The fourth proportional to 279,354,296.80, 418,770,891.64 and 94,995,790.64 is: 142,405,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,354,296.80 : 418,770,891.64 = 94,995,790.64 : x
  2. Step 2: Convert to fraction form
    279,354,296.80/418,770,891.64 = 94,995,790.64/x
  3. Step 3: Cross multiply
    279,354,296.80x = 418,770,891.64 × 94,995,790.64
  4. Step 4: Simplify right side
    279,354,296.80x = 39,781,471,948,359,568
  5. Step 5: Solve for x
    x = 39,781,471,948,359,568/279,354,296.80
  6. Step 6: Final answer
    x = 142,405,083.45

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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.