Finding the Fourth Proportional to 126,859,107.30, 177,220,112.70 and 126,859,107.30
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Solution
The fourth proportional to 126,859,107.30, 177,220,112.70 and 126,859,107.30 is: 177,220,112.70
Step by Step Solution
- Step 1: Write the proportion equation
126,859,107.30 : 177,220,112.70 = 126,859,107.30 : x - Step 2: Convert to fraction form
126,859,107.30/177,220,112.70 = 126,859,107.30/x - Step 3: Cross multiply
126,859,107.30x = 177,220,112.70 × 126,859,107.30 - Step 4: Simplify right side
126,859,107.30x = 22,481,985,292,727,392 - Step 5: Solve for x
x = 22,481,985,292,727,392/126,859,107.30 - Step 6: Final answer
x = 177,220,112.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.