Finding the Fourth Proportional to 106,455,811.20, 159,701,235.48 and 32,677,738.80
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Solution
The fourth proportional to 106,455,811.20, 159,701,235.48 and 32,677,738.80 is: 49,021,985.74
Step by Step Solution
- Step 1: Write the proportion equation
106,455,811.20 : 159,701,235.48 = 32,677,738.80 : x - Step 2: Convert to fraction form
106,455,811.20/159,701,235.48 = 32,677,738.80/x - Step 3: Cross multiply
106,455,811.20x = 159,701,235.48 × 32,677,738.80 - Step 4: Simplify right side
106,455,811.20x = 5,218,675,259,052,732 - Step 5: Solve for x
x = 5,218,675,259,052,732/106,455,811.20 - Step 6: Final answer
x = 49,021,985.74
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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.