Home / 323,801,803.74-485,736,725.64-105,469,161.42

Finding the Fourth Proportional to 323,801,803.74, 485,736,725.64 and 105,469,161.42

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Solution

The fourth proportional to 323,801,803.74, 485,736,725.64 and 105,469,161.42 is: 158,214,823.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,801,803.74 : 485,736,725.64 = 105,469,161.42 : x
  2. Step 2: Convert to fraction form
    323,801,803.74/485,736,725.64 = 105,469,161.42/x
  3. Step 3: Cross multiply
    323,801,803.74x = 485,736,725.64 × 105,469,161.42
  4. Step 4: Simplify right side
    323,801,803.74x = 51,230,245,124,147,416
  5. Step 5: Solve for x
    x = 51,230,245,124,147,416/323,801,803.74
  6. Step 6: Final answer
    x = 158,214,823.18

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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.