Home / 65,448,868.92-90,319,712.86-36,079,556.82

Finding the Fourth Proportional to 65,448,868.92, 90,319,712.86 and 36,079,556.82

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Solution

The fourth proportional to 65,448,868.92, 90,319,712.86 and 36,079,556.82 is: 49,789,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,868.92 : 90,319,712.86 = 36,079,556.82 : x
  2. Step 2: Convert to fraction form
    65,448,868.92/90,319,712.86 = 36,079,556.82/x
  3. Step 3: Cross multiply
    65,448,868.92x = 90,319,712.86 × 36,079,556.82
  4. Step 4: Simplify right side
    65,448,868.92x = 3,258,695,211,646,856
  5. Step 5: Solve for x
    x = 3,258,695,211,646,856/65,448,868.92
  6. Step 6: Final answer
    x = 49,789,939.32

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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.