Home / 51,245,392.92-70,718,642.22-28,040,519.94

Finding the Fourth Proportional to 51,245,392.92, 70,718,642.22 and 28,040,519.94

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Solution

The fourth proportional to 51,245,392.92, 70,718,642.22 and 28,040,519.94 is: 38,695,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245,392.92 : 70,718,642.22 = 28,040,519.94 : x
  2. Step 2: Convert to fraction form
    51,245,392.92/70,718,642.22 = 28,040,519.94/x
  3. Step 3: Cross multiply
    51,245,392.92x = 70,718,642.22 × 28,040,519.94
  4. Step 4: Simplify right side
    51,245,392.92x = 1,982,987,497,299,636
  5. Step 5: Solve for x
    x = 1,982,987,497,299,636/51,245,392.92
  6. Step 6: Final answer
    x = 38,695,917.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.