Finding the Fourth Proportional to 168,440,449.80, 252,660,674.70 and 102,966,918.60
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Solution
The fourth proportional to 168,440,449.80, 252,660,674.70 and 102,966,918.60 is: 154,450,377.90
Step by Step Solution
- Step 1: Write the proportion equation
168,440,449.80 : 252,660,674.70 = 102,966,918.60 : x - Step 2: Convert to fraction form
168,440,449.80/252,660,674.70 = 102,966,918.60/x - Step 3: Cross multiply
168,440,449.80x = 252,660,674.70 × 102,966,918.60 - Step 4: Simplify right side
168,440,449.80x = 26,015,691,125,255,976 - Step 5: Solve for x
x = 26,015,691,125,255,976/168,440,449.80 - Step 6: Final answer
x = 154,450,377.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.