Finding the Fourth Proportional to 71,567,212.05, 107,350,818.08 and 60,481,746.45
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Solution
The fourth proportional to 71,567,212.05, 107,350,818.08 and 60,481,746.45 is: 90,722,619.68
Step by Step Solution
- Step 1: Write the proportion equation
71,567,212.05 : 107,350,818.08 = 60,481,746.45 : x - Step 2: Convert to fraction form
71,567,212.05/107,350,818.08 = 60,481,746.45/x - Step 3: Cross multiply
71,567,212.05x = 107,350,818.08 × 60,481,746.45 - Step 4: Simplify right side
71,567,212.05x = 6,492,764,960,012,228 - Step 5: Solve for x
x = 6,492,764,960,012,228/71,567,212.05 - Step 6: Final answer
x = 90,722,619.68
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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.