Finding the Fourth Proportional to 85,260,376.72, 117,659,236.68 and 46,102,059.92
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Solution
The fourth proportional to 85,260,376.72, 117,659,236.68 and 46,102,059.92 is: 63,620,797.71
Step by Step Solution
- Step 1: Write the proportion equation
85,260,376.72 : 117,659,236.68 = 46,102,059.92 : x - Step 2: Convert to fraction form
85,260,376.72/117,659,236.68 = 46,102,059.92/x - Step 3: Cross multiply
85,260,376.72x = 117,659,236.68 × 46,102,059.92 - Step 4: Simplify right side
85,260,376.72x = 5,424,333,179,562,822 - Step 5: Solve for x
x = 5,424,333,179,562,822/85,260,376.72 - Step 6: Final answer
x = 63,620,797.71
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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.