Finding the Fourth Proportional to 77,366,556,996.19, 116,102,845,428.15 and 27,001,990,770.07
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Solution
The fourth proportional to 77,366,556,996.19, 116,102,845,428.15 and 27,001,990,770.07 is: 40,521,487,349.94
Step by Step Solution
- Step 1: Write the proportion equation
77,366,556,996.19 : 116,102,845,428.15 = 27,001,990,770.07 : x - Step 2: Convert to fraction form
77,366,556,996.19/116,102,845,428.15 = 27,001,990,770.07/x - Step 3: Cross multiply
77,366,556,996.19x = 116,102,845,428.15 × 27,001,990,770.07 - Step 4: Simplify right side
77,366,556,996.19x = 3,135,007,960,629,770,190,848 - Step 5: Solve for x
x = 3,135,007,960,629,770,190,848/77,366,556,996.19 - Step 6: Final answer
x = 40,521,487,349.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.