Finding the Fourth Proportional to 84,104,648.12, 116,042,481.42 and 49,278,626.84
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Solution
The fourth proportional to 84,104,648.12, 116,042,481.42 and 49,278,626.84 is: 67,991,654.06
Step by Step Solution
- Step 1: Write the proportion equation
84,104,648.12 : 116,042,481.42 = 49,278,626.84 : x - Step 2: Convert to fraction form
84,104,648.12/116,042,481.42 = 49,278,626.84/x - Step 3: Cross multiply
84,104,648.12x = 116,042,481.42 × 49,278,626.84 - Step 4: Simplify right side
84,104,648.12x = 5,718,414,139,483,814 - Step 5: Solve for x
x = 5,718,414,139,483,814/84,104,648.12 - Step 6: Final answer
x = 67,991,654.06
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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.