Finding the Fourth Proportional to 209,035,894.16, 288,476,953.26 and 114,957,193.80
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Solution
The fourth proportional to 209,035,894.16, 288,476,953.26 and 114,957,193.80 is: 158,645,007.62
Step by Step Solution
- Step 1: Write the proportion equation
209,035,894.16 : 288,476,953.26 = 114,957,193.80 : x - Step 2: Convert to fraction form
209,035,894.16/288,476,953.26 = 114,957,193.80/x - Step 3: Cross multiply
209,035,894.16x = 288,476,953.26 × 114,957,193.80 - Step 4: Simplify right side
209,035,894.16x = 33,162,501,022,743,360 - Step 5: Solve for x
x = 33,162,501,022,743,360/209,035,894.16 - Step 6: Final answer
x = 158,645,007.62
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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.