Home / 65,448,868.41-90,319,712.17-36,079,556.31

Finding the Fourth Proportional to 65,448,868.41, 90,319,712.17 and 36,079,556.31

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Solution

The fourth proportional to 65,448,868.41, 90,319,712.17 and 36,079,556.31 is: 49,789,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,868.41 : 90,319,712.17 = 36,079,556.31 : x
  2. Step 2: Convert to fraction form
    65,448,868.41/90,319,712.17 = 36,079,556.31/x
  3. Step 3: Cross multiply
    65,448,868.41x = 90,319,712.17 × 36,079,556.31
  4. Step 4: Simplify right side
    65,448,868.41x = 3,258,695,141,456,656.50
  5. Step 5: Solve for x
    x = 3,258,695,141,456,656.50/65,448,868.41
  6. Step 6: Final answer
    x = 49,789,938.63

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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.