Finding the Fourth Proportional to 54,548,771.09, 81,821,163.69 and 16,209,288.72
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Solution
The fourth proportional to 54,548,771.09, 81,821,163.69 and 16,209,288.72 is: 24,313,340.87
Step by Step Solution
- Step 1: Write the proportion equation
54,548,771.09 : 81,821,163.69 = 16,209,288.72 : x - Step 2: Convert to fraction form
54,548,771.09/81,821,163.69 = 16,209,288.72/x - Step 3: Cross multiply
54,548,771.09x = 81,821,163.69 × 16,209,288.72 - Step 4: Simplify right side
54,548,771.09x = 1,326,262,865,657,590.50 - Step 5: Solve for x
x = 1,326,262,865,657,590.50/54,548,771.09 - Step 6: Final answer
x = 24,313,340.87
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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.