Finding the Fourth Proportional to 77,366,556,994.19, 116,102,845,425.15 and 27,001,990,768.07
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Solution
The fourth proportional to 77,366,556,994.19, 116,102,845,425.15 and 27,001,990,768.07 is: 40,521,487,346.95
Step by Step Solution
- Step 1: Write the proportion equation
77,366,556,994.19 : 116,102,845,425.15 = 27,001,990,768.07 : x - Step 2: Convert to fraction form
77,366,556,994.19/116,102,845,425.15 = 27,001,990,768.07/x - Step 3: Cross multiply
77,366,556,994.19x = 116,102,845,425.15 × 27,001,990,768.07 - Step 4: Simplify right side
77,366,556,994.19x = 3,135,007,960,316,907,094,016 - Step 5: Solve for x
x = 3,135,007,960,316,907,094,016/77,366,556,994.19 - Step 6: Final answer
x = 40,521,487,346.95
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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.