Finding the Fourth Proportional to 154,555,227.73, 213,288,293.91 and 83,992,238.62
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Solution
The fourth proportional to 154,555,227.73, 213,288,293.91 and 83,992,238.62 is: 115,910,419.46
Step by Step Solution
- Step 1: Write the proportion equation
154,555,227.73 : 213,288,293.91 = 83,992,238.62 : x - Step 2: Convert to fraction form
154,555,227.73/213,288,293.91 = 83,992,238.62/x - Step 3: Cross multiply
154,555,227.73x = 213,288,293.91 × 83,992,238.62 - Step 4: Simplify right side
154,555,227.73x = 17,914,561,276,723,164 - Step 5: Solve for x
x = 17,914,561,276,723,164/154,555,227.73 - Step 6: Final answer
x = 115,910,419.46
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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.