Home / 53,694,439.13-80,508,696.79-20,866,677.59

Finding the Fourth Proportional to 53,694,439.13, 80,508,696.79 and 20,866,677.59

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Solution

The fourth proportional to 53,694,439.13, 80,508,696.79 and 20,866,677.59 is: 31,287,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,694,439.13 : 80,508,696.79 = 20,866,677.59 : x
  2. Step 2: Convert to fraction form
    53,694,439.13/80,508,696.79 = 20,866,677.59/x
  3. Step 3: Cross multiply
    53,694,439.13x = 80,508,696.79 × 20,866,677.59
  4. Step 4: Simplify right side
    53,694,439.13x = 1,679,949,019,107,998
  5. Step 5: Solve for x
    x = 1,679,949,019,107,998/53,694,439.13
  6. Step 6: Final answer
    x = 31,287,206.76

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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.