Home / 205,632,724.37-308,449,808.26-52,278,797.21

Finding the Fourth Proportional to 205,632,724.37, 308,449,808.26 and 52,278,797.21

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Solution

The fourth proportional to 205,632,724.37, 308,449,808.26 and 52,278,797.21 is: 78,418,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,632,724.37 : 308,449,808.26 = 52,278,797.21 : x
  2. Step 2: Convert to fraction form
    205,632,724.37/308,449,808.26 = 52,278,797.21/x
  3. Step 3: Cross multiply
    205,632,724.37x = 308,449,808.26 × 52,278,797.21
  4. Step 4: Simplify right side
    205,632,724.37x = 16,125,384,973,814,976
  5. Step 5: Solve for x
    x = 16,125,384,973,814,976/205,632,724.37
  6. Step 6: Final answer
    x = 78,418,379.29

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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.