Home / 79,964,696.43-119,947,045.56-19,380,422.43

Finding the Fourth Proportional to 79,964,696.43, 119,947,045.56 and 19,380,422.43

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Solution

The fourth proportional to 79,964,696.43, 119,947,045.56 and 19,380,422.43 is: 29,070,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964,696.43 : 119,947,045.56 = 19,380,422.43 : x
  2. Step 2: Convert to fraction form
    79,964,696.43/119,947,045.56 = 19,380,422.43/x
  3. Step 3: Cross multiply
    79,964,696.43x = 119,947,045.56 × 19,380,422.43
  4. Step 4: Simplify right side
    79,964,696.43x = 2,324,624,412,183,256
  5. Step 5: Solve for x
    x = 2,324,624,412,183,256/79,964,696.43
  6. Step 6: Final answer
    x = 29,070,633.87

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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.