Home / 228,889,640.46-315,876,010.35-131,123,392.14

Finding the Fourth Proportional to 228,889,640.46, 315,876,010.35 and 131,123,392.14

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Solution

The fourth proportional to 228,889,640.46, 315,876,010.35 and 131,123,392.14 is: 180,955,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,889,640.46 : 315,876,010.35 = 131,123,392.14 : x
  2. Step 2: Convert to fraction form
    228,889,640.46/315,876,010.35 = 131,123,392.14/x
  3. Step 3: Cross multiply
    228,889,640.46x = 315,876,010.35 × 131,123,392.14
  4. Step 4: Simplify right side
    228,889,640.46x = 41,418,733,972,741,752
  5. Step 5: Solve for x
    x = 41,418,733,972,741,752/228,889,640.46
  6. Step 6: Final answer
    x = 180,955,039.68

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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.