Finding the Fourth Proportional to 122,629,163.88, 183,162,018.49 and 110,939,584.08
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Solution
The fourth proportional to 122,629,163.88, 183,162,018.49 and 110,939,584.08 is: 165,702,166.66
Step by Step Solution
- Step 1: Write the proportion equation
122,629,163.88 : 183,162,018.49 = 110,939,584.08 : x - Step 2: Convert to fraction form
122,629,163.88/183,162,018.49 = 110,939,584.08/x - Step 3: Cross multiply
122,629,163.88x = 183,162,018.49 × 110,939,584.08 - Step 4: Simplify right side
122,629,163.88x = 20,319,918,150,533,872 - Step 5: Solve for x
x = 20,319,918,150,533,872/122,629,163.88 - Step 6: Final answer
x = 165,702,166.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.