Finding the Fourth Proportional to 209,026,636.51, 288,457,879.98 and 114,946,850.07
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Solution
The fourth proportional to 209,026,636.51, 288,457,879.98 and 114,946,850.07 is: 158,627,269.87
Step by Step Solution
- Step 1: Write the proportion equation
209,026,636.51 : 288,457,879.98 = 114,946,850.07 : x - Step 2: Convert to fraction form
209,026,636.51/288,457,879.98 = 114,946,850.07/x - Step 3: Cross multiply
209,026,636.51x = 288,457,879.98 × 114,946,850.07 - Step 4: Simplify right side
209,026,636.51x = 33,157,324,680,128,828 - Step 5: Solve for x
x = 33,157,324,680,128,828/209,026,636.51 - Step 6: Final answer
x = 158,627,269.87
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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.