Finding the Fourth Proportional to 201,315,730.75, 277,783,299.49 and 113,204,475.07
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Solution
The fourth proportional to 201,315,730.75, 277,783,299.49 and 113,204,475.07 is: 156,203,951.30
Step by Step Solution
- Step 1: Write the proportion equation
201,315,730.75 : 277,783,299.49 = 113,204,475.07 : x - Step 2: Convert to fraction form
201,315,730.75/277,783,299.49 = 113,204,475.07/x - Step 3: Cross multiply
201,315,730.75x = 277,783,299.49 × 113,204,475.07 - Step 4: Simplify right side
201,315,730.75x = 31,446,312,601,978,048 - Step 5: Solve for x
x = 31,446,312,601,978,048/201,315,730.75 - Step 6: Final answer
x = 156,203,951.30
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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.