Home / 72,504,772.25-100,058,712.28-39,467,176.43

Finding the Fourth Proportional to 72,504,772.25, 100,058,712.28 and 39,467,176.43

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Solution

The fourth proportional to 72,504,772.25, 100,058,712.28 and 39,467,176.43 is: 54,465,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,772.25 : 100,058,712.28 = 39,467,176.43 : x
  2. Step 2: Convert to fraction form
    72,504,772.25/100,058,712.28 = 39,467,176.43/x
  3. Step 3: Cross multiply
    72,504,772.25x = 100,058,712.28 × 39,467,176.43
  4. Step 4: Simplify right side
    72,504,772.25x = 3,949,034,850,314,406
  5. Step 5: Solve for x
    x = 3,949,034,850,314,406/72,504,772.25
  6. Step 6: Final answer
    x = 54,465,861.05

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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.