Home / 133,059,011.20-199,588,516.80-131,267,420.80

Finding the Fourth Proportional to 133,059,011.20, 199,588,516.80 and 131,267,420.80

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Solution

The fourth proportional to 133,059,011.20, 199,588,516.80 and 131,267,420.80 is: 196,901,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,011.20 : 199,588,516.80 = 131,267,420.80 : x
  2. Step 2: Convert to fraction form
    133,059,011.20/199,588,516.80 = 131,267,420.80/x
  3. Step 3: Cross multiply
    133,059,011.20x = 199,588,516.80 × 131,267,420.80
  4. Step 4: Simplify right side
    133,059,011.20x = 26,199,469,821,633,472
  5. Step 5: Solve for x
    x = 26,199,469,821,633,472/133,059,011.20
  6. Step 6: Final answer
    x = 196,901,131.20

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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.