Finding the Fourth Proportional to 110,638,163.70, 165,957,245.55 and 110,638,163.70
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Solution
The fourth proportional to 110,638,163.70, 165,957,245.55 and 110,638,163.70 is: 165,957,245.55
Step by Step Solution
- Step 1: Write the proportion equation
110,638,163.70 : 165,957,245.55 = 110,638,163.70 : x - Step 2: Convert to fraction form
110,638,163.70/165,957,245.55 = 110,638,163.70/x - Step 3: Cross multiply
110,638,163.70x = 165,957,245.55 × 110,638,163.70 - Step 4: Simplify right side
110,638,163.70x = 18,361,204,900,362,000 - Step 5: Solve for x
x = 18,361,204,900,362,000/110,638,163.70 - Step 6: Final answer
x = 165,957,245.55
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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.