Finding the Fourth Proportional to 68,668,222.48, 102,998,163.12 and 24,354,703.60
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Solution
The fourth proportional to 68,668,222.48, 102,998,163.12 and 24,354,703.60 is: 36,530,576.20
Step by Step Solution
- Step 1: Write the proportion equation
68,668,222.48 : 102,998,163.12 = 24,354,703.60 : x - Step 2: Convert to fraction form
68,668,222.48/102,998,163.12 = 24,354,703.60/x - Step 3: Cross multiply
68,668,222.48x = 102,998,163.12 × 24,354,703.60 - Step 4: Simplify right side
68,668,222.48x = 2,508,489,734,132,051.50 - Step 5: Solve for x
x = 2,508,489,734,132,051.50/68,668,222.48 - Step 6: Final answer
x = 36,530,576.20
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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.