Finding the Fourth Proportional to 68,882,951.42, 95,058,478.17 and 37,943,120.70
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Solution
The fourth proportional to 68,882,951.42, 95,058,478.17 and 37,943,120.70 is: 52,361,509.44
Step by Step Solution
- Step 1: Write the proportion equation
68,882,951.42 : 95,058,478.17 = 37,943,120.70 : x - Step 2: Convert to fraction form
68,882,951.42/95,058,478.17 = 37,943,120.70/x - Step 3: Cross multiply
68,882,951.42x = 95,058,478.17 × 37,943,120.70 - Step 4: Simplify right side
68,882,951.42x = 3,606,815,310,762,625.50 - Step 5: Solve for x
x = 3,606,815,310,762,625.50/68,882,951.42 - Step 6: Final answer
x = 52,361,509.44
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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.