Finding the Fourth Proportional to 91,653,948.92, 126,483,107.49 and 49,837,714.58
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Solution
The fourth proportional to 91,653,948.92, 126,483,107.49 and 49,837,714.58 is: 68,776,403.90
Step by Step Solution
- Step 1: Write the proportion equation
91,653,948.92 : 126,483,107.49 = 49,837,714.58 : x - Step 2: Convert to fraction form
91,653,948.92/126,483,107.49 = 49,837,714.58/x - Step 3: Cross multiply
91,653,948.92x = 126,483,107.49 × 49,837,714.58 - Step 4: Simplify right side
91,653,948.92x = 6,303,629,010,278,080 - Step 5: Solve for x
x = 6,303,629,010,278,080/91,653,948.92 - Step 6: Final answer
x = 68,776,403.90
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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.