Finding the Fourth Proportional to 168,440,448.30, 252,660,672.45 and 102,966,917.10
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Solution
The fourth proportional to 168,440,448.30, 252,660,672.45 and 102,966,917.10 is: 154,450,375.65
Step by Step Solution
- Step 1: Write the proportion equation
168,440,448.30 : 252,660,672.45 = 102,966,917.10 : x - Step 2: Convert to fraction form
168,440,448.30/252,660,672.45 = 102,966,917.10/x - Step 3: Cross multiply
168,440,448.30x = 252,660,672.45 × 102,966,917.10 - Step 4: Simplify right side
168,440,448.30x = 26,015,690,514,589,400 - Step 5: Solve for x
x = 26,015,690,514,589,400/168,440,448.30 - Step 6: Final answer
x = 154,450,375.65
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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.