Finding the Fourth Proportional to 91,086,671.67, 136,629,841.38 and 29,675,757.84
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Solution
The fourth proportional to 91,086,671.67, 136,629,841.38 and 29,675,757.84 is: 44,513,582.64
Step by Step Solution
- Step 1: Write the proportion equation
91,086,671.67 : 136,629,841.38 = 29,675,757.84 : x - Step 2: Convert to fraction form
91,086,671.67/136,629,841.38 = 29,675,757.84/x - Step 3: Cross multiply
91,086,671.67x = 136,629,841.38 × 29,675,757.84 - Step 4: Simplify right side
91,086,671.67x = 4,054,594,086,510,491.50 - Step 5: Solve for x
x = 4,054,594,086,510,491.50/91,086,671.67 - Step 6: Final answer
x = 44,513,582.64
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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.