Finding the Fourth Proportional to 85,802,527,213.68, 118,405,630,721.88 and 49,675,082,951.28
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Solution
The fourth proportional to 85,802,527,213.68, 118,405,630,721.88 and 49,675,082,951.28 is: 68,550,539,465.58
Step by Step Solution
- Step 1: Write the proportion equation
85,802,527,213.68 : 118,405,630,721.88 = 49,675,082,951.28 : x - Step 2: Convert to fraction form
85,802,527,213.68/118,405,630,721.88 = 49,675,082,951.28/x - Step 3: Cross multiply
85,802,527,213.68x = 118,405,630,721.88 × 49,675,082,951.28 - Step 4: Simplify right side
85,802,527,213.68x = 5,881,809,528,008,016,396,288 - Step 5: Solve for x
x = 5,881,809,528,008,016,396,288/85,802,527,213.68 - Step 6: Final answer
x = 68,550,539,465.58
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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.