Finding the Fourth Proportional to 74,373,163.20, 111,559,744.80 and 74,373,163.20
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Solution
The fourth proportional to 74,373,163.20, 111,559,744.80 and 74,373,163.20 is: 111,559,744.80
Step by Step Solution
- Step 1: Write the proportion equation
74,373,163.20 : 111,559,744.80 = 74,373,163.20 : x - Step 2: Convert to fraction form
74,373,163.20/111,559,744.80 = 74,373,163.20/x - Step 3: Cross multiply
74,373,163.20x = 111,559,744.80 × 74,373,163.20 - Step 4: Simplify right side
74,373,163.20x = 8,297,051,106,560,751 - Step 5: Solve for x
x = 8,297,051,106,560,751/74,373,163.20 - Step 6: Final answer
x = 111,559,744.80
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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.