Finding the Fourth Proportional to 103,596,163.70, 155,394,245.55 and 49,848,451.70
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Solution
The fourth proportional to 103,596,163.70, 155,394,245.55 and 49,848,451.70 is: 74,772,677.55
Step by Step Solution
- Step 1: Write the proportion equation
103,596,163.70 : 155,394,245.55 = 49,848,451.70 : x - Step 2: Convert to fraction form
103,596,163.70/155,394,245.55 = 49,848,451.70/x - Step 3: Cross multiply
103,596,163.70x = 155,394,245.55 × 49,848,451.70 - Step 4: Simplify right side
103,596,163.70x = 7,746,162,543,757,116 - Step 5: Solve for x
x = 7,746,162,543,757,116/103,596,163.70 - Step 6: Final answer
x = 74,772,677.55
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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.