Home / 226,026,942-311,898,087.42-136,752,148.08

Finding the Fourth Proportional to 226,026,942, 311,898,087.42 and 136,752,148.08

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Solution

The fourth proportional to 226,026,942, 311,898,087.42 and 136,752,148.08 is: 188,706,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,026,942 : 311,898,087.42 = 136,752,148.08 : x
  2. Step 2: Convert to fraction form
    226,026,942/311,898,087.42 = 136,752,148.08/x
  3. Step 3: Cross multiply
    226,026,942x = 311,898,087.42 × 136,752,148.08
  4. Step 4: Simplify right side
    226,026,942x = 42,652,733,436,728,632
  5. Step 5: Solve for x
    x = 42,652,733,436,728,632/226,026,942
  6. Step 6: Final answer
    x = 188,706,412.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.