Finding the Fourth Proportional to 201,315,728.75, 277,783,296.73 and 113,204,473.07
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Solution
The fourth proportional to 201,315,728.75, 277,783,296.73 and 113,204,473.07 is: 156,203,948.54
Step by Step Solution
- Step 1: Write the proportion equation
201,315,728.75 : 277,783,296.73 = 113,204,473.07 : x - Step 2: Convert to fraction form
201,315,728.75/277,783,296.73 = 113,204,473.07/x - Step 3: Cross multiply
201,315,728.75x = 277,783,296.73 × 113,204,473.07 - Step 4: Simplify right side
201,315,728.75x = 31,446,311,734,378,556 - Step 5: Solve for x
x = 31,446,311,734,378,556/201,315,728.75 - Step 6: Final answer
x = 156,203,948.54
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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.