Home / 131,134,471.91-196,699,007.21-43,702,337.12

Finding the Fourth Proportional to 131,134,471.91, 196,699,007.21 and 43,702,337.12

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Solution

The fourth proportional to 131,134,471.91, 196,699,007.21 and 43,702,337.12 is: 65,552,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,471.91 : 196,699,007.21 = 43,702,337.12 : x
  2. Step 2: Convert to fraction form
    131,134,471.91/196,699,007.21 = 43,702,337.12/x
  3. Step 3: Cross multiply
    131,134,471.91x = 196,699,007.21 × 43,702,337.12
  4. Step 4: Simplify right side
    131,134,471.91x = 8,596,206,324,042,219
  5. Step 5: Solve for x
    x = 8,596,206,324,042,219/131,134,471.91
  6. Step 6: Final answer
    x = 65,552,605.65

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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.