Home / 131,134,471.41-196,699,006.46-43,702,336.62

Finding the Fourth Proportional to 131,134,471.41, 196,699,006.46 and 43,702,336.62

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Solution

The fourth proportional to 131,134,471.41, 196,699,006.46 and 43,702,336.62 is: 65,552,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,471.41 : 196,699,006.46 = 43,702,336.62 : x
  2. Step 2: Convert to fraction form
    131,134,471.41/196,699,006.46 = 43,702,336.62/x
  3. Step 3: Cross multiply
    131,134,471.41x = 196,699,006.46 × 43,702,336.62
  4. Step 4: Simplify right side
    131,134,471.41x = 8,596,206,192,915,963
  5. Step 5: Solve for x
    x = 8,596,206,192,915,963/131,134,471.41
  6. Step 6: Final answer
    x = 65,552,604.90

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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.