Finding the Fourth Proportional to 49,553,647.12, 68,394,962.82 and 27,534,712.42
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Solution
The fourth proportional to 49,553,647.12, 68,394,962.82 and 27,534,712.42 is: 38,003,976.33
Step by Step Solution
- Step 1: Write the proportion equation
49,553,647.12 : 68,394,962.82 = 27,534,712.42 : x - Step 2: Convert to fraction form
49,553,647.12/68,394,962.82 = 27,534,712.42/x - Step 3: Cross multiply
49,553,647.12x = 68,394,962.82 × 27,534,712.42 - Step 4: Simplify right side
49,553,647.12x = 1,883,235,632,225,292.25 - Step 5: Solve for x
x = 1,883,235,632,225,292.25/49,553,647.12 - Step 6: Final answer
x = 38,003,976.33
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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.