Home / 133,124,528.20-199,288,661.10-79,244,105.80

Finding the Fourth Proportional to 133,124,528.20, 199,288,661.10 and 79,244,105.80

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Solution

The fourth proportional to 133,124,528.20, 199,288,661.10 and 79,244,105.80 is: 118,629,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,124,528.20 : 199,288,661.10 = 79,244,105.80 : x
  2. Step 2: Convert to fraction form
    133,124,528.20/199,288,661.10 = 79,244,105.80/x
  3. Step 3: Cross multiply
    133,124,528.20x = 199,288,661.10 × 79,244,105.80
  4. Step 4: Simplify right side
    133,124,528.20x = 15,792,451,744,948,744
  5. Step 5: Solve for x
    x = 15,792,451,744,948,744/133,124,528.20
  6. Step 6: Final answer
    x = 118,629,165.93

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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.