Finding the Fourth Proportional to 245,471,168.82, 338,757,394.68 and 133,969,161.27
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Solution
The fourth proportional to 245,471,168.82, 338,757,394.68 and 133,969,161.27 is: 184,881,362.07
Step by Step Solution
- Step 1: Write the proportion equation
245,471,168.82 : 338,757,394.68 = 133,969,161.27 : x - Step 2: Convert to fraction form
245,471,168.82/338,757,394.68 = 133,969,161.27/x - Step 3: Cross multiply
245,471,168.82x = 338,757,394.68 × 133,969,161.27 - Step 4: Simplify right side
245,471,168.82x = 45,383,044,039,289,960 - Step 5: Solve for x
x = 45,383,044,039,289,960/245,471,168.82 - Step 6: Final answer
x = 184,881,362.07
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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.