Home / 221,099,800.96-331,637,738.48-67,746,301.44

Finding the Fourth Proportional to 221,099,800.96, 331,637,738.48 and 67,746,301.44

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Solution

The fourth proportional to 221,099,800.96, 331,637,738.48 and 67,746,301.44 is: 101,615,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,099,800.96 : 331,637,738.48 = 67,746,301.44 : x
  2. Step 2: Convert to fraction form
    221,099,800.96/331,637,738.48 = 67,746,301.44/x
  3. Step 3: Cross multiply
    221,099,800.96x = 331,637,738.48 × 67,746,301.44
  4. Step 4: Simplify right side
    221,099,800.96x = 22,467,230,199,945,968
  5. Step 5: Solve for x
    x = 22,467,230,199,945,968/221,099,800.96
  6. Step 6: Final answer
    x = 101,615,786.64

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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.