Finding the Fourth Proportional to 269,715,367.44, 372,207,207.54 and 145,956,044.52
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Solution
The fourth proportional to 269,715,367.44, 372,207,207.54 and 145,956,044.52 is: 201,419,341.69
Step by Step Solution
- Step 1: Write the proportion equation
269,715,367.44 : 372,207,207.54 = 145,956,044.52 : x - Step 2: Convert to fraction form
269,715,367.44/372,207,207.54 = 145,956,044.52/x - Step 3: Cross multiply
269,715,367.44x = 372,207,207.54 × 145,956,044.52 - Step 4: Simplify right side
269,715,367.44x = 54,325,891,754,373,128 - Step 5: Solve for x
x = 54,325,891,754,373,128/269,715,367.44 - Step 6: Final answer
x = 201,419,341.69
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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.