Home / 173,198,369.06-259,882,912.16-81,088,344.26

Finding the Fourth Proportional to 173,198,369.06, 259,882,912.16 and 81,088,344.26

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Solution

The fourth proportional to 173,198,369.06, 259,882,912.16 and 81,088,344.26 is: 121,672,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,198,369.06 : 259,882,912.16 = 81,088,344.26 : x
  2. Step 2: Convert to fraction form
    173,198,369.06/259,882,912.16 = 81,088,344.26/x
  3. Step 3: Cross multiply
    173,198,369.06x = 259,882,912.16 × 81,088,344.26
  4. Step 4: Simplify right side
    173,198,369.06x = 21,073,475,048,521,420
  5. Step 5: Solve for x
    x = 21,073,475,048,521,420/173,198,369.06
  6. Step 6: Final answer
    x = 121,672,479.73

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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.