Home / 354,296,105.80-531,444,158.70-199,327,910.20

Finding the Fourth Proportional to 354,296,105.80, 531,444,158.70 and 199,327,910.20

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Solution

The fourth proportional to 354,296,105.80, 531,444,158.70 and 199,327,910.20 is: 298,991,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,296,105.80 : 531,444,158.70 = 199,327,910.20 : x
  2. Step 2: Convert to fraction form
    354,296,105.80/531,444,158.70 = 199,327,910.20/x
  3. Step 3: Cross multiply
    354,296,105.80x = 531,444,158.70 × 199,327,910.20
  4. Step 4: Simplify right side
    354,296,105.80x = 105,931,653,541,668,144
  5. Step 5: Solve for x
    x = 105,931,653,541,668,144/354,296,105.80
  6. Step 6: Final answer
    x = 298,991,865.30

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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.