Finding the Fourth Proportional to 74,373,163.70, 111,559,745.55 and 74,373,163.70
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Solution
The fourth proportional to 74,373,163.70, 111,559,745.55 and 74,373,163.70 is: 111,559,745.55
Step by Step Solution
- Step 1: Write the proportion equation
74,373,163.70 : 111,559,745.55 = 74,373,163.70 : x - Step 2: Convert to fraction form
74,373,163.70/111,559,745.55 = 74,373,163.70/x - Step 3: Cross multiply
74,373,163.70x = 111,559,745.55 × 74,373,163.70 - Step 4: Simplify right side
74,373,163.70x = 8,297,051,218,120,497 - Step 5: Solve for x
x = 8,297,051,218,120,497/74,373,163.70 - Step 6: Final answer
x = 111,559,745.55
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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.