Finding the Fourth Proportional to 269,715,027.63, 372,206,738.25 and 145,955,704.80
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Solution
The fourth proportional to 269,715,027.63, 372,206,738.25 and 145,955,704.80 is: 201,418,872.69
Step by Step Solution
- Step 1: Write the proportion equation
269,715,027.63 : 372,206,738.25 = 145,955,704.80 : x - Step 2: Convert to fraction form
269,715,027.63/372,206,738.25 = 145,955,704.80/x - Step 3: Cross multiply
269,715,027.63x = 372,206,738.25 × 145,955,704.80 - Step 4: Simplify right side
269,715,027.63x = 54,325,696,812,587,872 - Step 5: Solve for x
x = 54,325,696,812,587,872/269,715,027.63 - Step 6: Final answer
x = 201,418,872.69
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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.