Finding the Fourth Proportional to 68,821,554.12, 94,972,991.22 and 37,881,057.48
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Solution
The fourth proportional to 68,821,554.12, 94,972,991.22 and 37,881,057.48 is: 52,275,444.60
Step by Step Solution
- Step 1: Write the proportion equation
68,821,554.12 : 94,972,991.22 = 37,881,057.48 : x - Step 2: Convert to fraction form
68,821,554.12/94,972,991.22 = 37,881,057.48/x - Step 3: Cross multiply
68,821,554.12x = 94,972,991.22 × 37,881,057.48 - Step 4: Simplify right side
68,821,554.12x = 3,597,677,339,452,355 - Step 5: Solve for x
x = 3,597,677,339,452,355/68,821,554.12 - Step 6: Final answer
x = 52,275,444.60
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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.