Home / 70,694,405.26-106,040,542.47-31,805,393.74

Finding the Fourth Proportional to 70,694,405.26, 106,040,542.47 and 31,805,393.74

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Solution

The fourth proportional to 70,694,405.26, 106,040,542.47 and 31,805,393.74 is: 47,707,611.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,694,405.26 : 106,040,542.47 = 31,805,393.74 : x
  2. Step 2: Convert to fraction form
    70,694,405.26/106,040,542.47 = 31,805,393.74/x
  3. Step 3: Cross multiply
    70,694,405.26x = 106,040,542.47 × 31,805,393.74
  4. Step 4: Simplify right side
    70,694,405.26x = 3,372,661,205,661,542
  5. Step 5: Solve for x
    x = 3,372,661,205,661,542/70,694,405.26
  6. Step 6: Final answer
    x = 47,707,611.28

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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.