Home / 109,445,991.68-164,170,890.21-40,323,215.88

Finding the Fourth Proportional to 109,445,991.68, 164,170,890.21 and 40,323,215.88

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Solution

The fourth proportional to 109,445,991.68, 164,170,890.21 and 40,323,215.88 is: 60,485,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,445,991.68 : 164,170,890.21 = 40,323,215.88 : x
  2. Step 2: Convert to fraction form
    109,445,991.68/164,170,890.21 = 40,323,215.88/x
  3. Step 3: Cross multiply
    109,445,991.68x = 164,170,890.21 × 40,323,215.88
  4. Step 4: Simplify right side
    109,445,991.68x = 6,619,898,247,300,821
  5. Step 5: Solve for x
    x = 6,619,898,247,300,821/109,445,991.68
  6. Step 6: Final answer
    x = 60,485,524.83

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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.