Home / 221,297,039.92-305,416,694.37-125,950,730.74

Finding the Fourth Proportional to 221,297,039.92, 305,416,694.37 and 125,950,730.74

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Solution

The fourth proportional to 221,297,039.92, 305,416,694.37 and 125,950,730.74 is: 173,827,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,297,039.92 : 305,416,694.37 = 125,950,730.74 : x
  2. Step 2: Convert to fraction form
    221,297,039.92/305,416,694.37 = 125,950,730.74/x
  3. Step 3: Cross multiply
    221,297,039.92x = 305,416,694.37 × 125,950,730.74
  4. Step 4: Simplify right side
    221,297,039.92x = 38,467,455,833,939,904
  5. Step 5: Solve for x
    x = 38,467,455,833,939,904/221,297,039.92
  6. Step 6: Final answer
    x = 173,827,249.78

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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.