Finding the Fourth Proportional to 91,517,577.99, 126,293,826.33 and 49,701,350.67
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Solution
The fourth proportional to 91,517,577.99, 126,293,826.33 and 49,701,350.67 is: 68,587,629.70
Step by Step Solution
- Step 1: Write the proportion equation
91,517,577.99 : 126,293,826.33 = 49,701,350.67 : x - Step 2: Convert to fraction form
91,517,577.99/126,293,826.33 = 49,701,350.67/x - Step 3: Cross multiply
91,517,577.99x = 126,293,826.33 × 49,701,350.67 - Step 4: Simplify right side
91,517,577.99x = 6,276,973,749,883,409 - Step 5: Solve for x
x = 6,276,973,749,883,409/91,517,577.99 - Step 6: Final answer
x = 68,587,629.70
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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.