Finding the Fourth Proportional to 146,372,198.38, 201,991,749.28 and 83,647,578.08
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Solution
The fourth proportional to 146,372,198.38, 201,991,749.28 and 83,647,578.08 is: 115,432,580.82
Step by Step Solution
- Step 1: Write the proportion equation
146,372,198.38 : 201,991,749.28 = 83,647,578.08 : x - Step 2: Convert to fraction form
146,372,198.38/201,991,749.28 = 83,647,578.08/x - Step 3: Cross multiply
146,372,198.38x = 201,991,749.28 × 83,647,578.08 - Step 4: Simplify right side
146,372,198.38x = 16,896,120,619,414,584 - Step 5: Solve for x
x = 16,896,120,619,414,584/146,372,198.38 - Step 6: Final answer
x = 115,432,580.82
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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.