Finding the Fourth Proportional to 68,373,133.84, 94,351,340.88 and 37,427,375.44
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Solution
The fourth proportional to 68,373,133.84, 94,351,340.88 and 37,427,375.44 is: 51,647,816.33
Step by Step Solution
- Step 1: Write the proportion equation
68,373,133.84 : 94,351,340.88 = 37,427,375.44 : x - Step 2: Convert to fraction form
68,373,133.84/94,351,340.88 = 37,427,375.44/x - Step 3: Cross multiply
68,373,133.84x = 94,351,340.88 × 37,427,375.44 - Step 4: Simplify right side
68,373,133.84x = 3,531,323,058,383,179.50 - Step 5: Solve for x
x = 3,531,323,058,383,179.50/68,373,133.84 - Step 6: Final answer
x = 51,647,816.33
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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.