Finding the Fourth Proportional to 303,203,095.09, 418,421,524.32 and 163,973,853.97
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Solution
The fourth proportional to 303,203,095.09, 418,421,524.32 and 163,973,853.97 is: 226,284,596.16
Step by Step Solution
- Step 1: Write the proportion equation
303,203,095.09 : 418,421,524.32 = 163,973,853.97 : x - Step 2: Convert to fraction form
303,203,095.09/418,421,524.32 = 163,973,853.97/x - Step 3: Cross multiply
303,203,095.09x = 418,421,524.32 × 163,973,853.97 - Step 4: Simplify right side
303,203,095.09x = 68,610,189,926,752,480 - Step 5: Solve for x
x = 68,610,189,926,752,480/303,203,095.09 - Step 6: Final answer
x = 226,284,596.16
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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.