Home / 363,969,334.80-545,954,002.20-105,192,997.20

Finding the Fourth Proportional to 363,969,334.80, 545,954,002.20 and 105,192,997.20

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Solution

The fourth proportional to 363,969,334.80, 545,954,002.20 and 105,192,997.20 is: 157,789,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,969,334.80 : 545,954,002.20 = 105,192,997.20 : x
  2. Step 2: Convert to fraction form
    363,969,334.80/545,954,002.20 = 105,192,997.20/x
  3. Step 3: Cross multiply
    363,969,334.80x = 545,954,002.20 × 105,192,997.20
  4. Step 4: Simplify right side
    363,969,334.80x = 57,430,537,824,753,400
  5. Step 5: Solve for x
    x = 57,430,537,824,753,400/363,969,334.80
  6. Step 6: Final answer
    x = 157,789,495.80

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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.