Finding the Fourth Proportional to 75,381,805.80, 113,072,708.70 and 32,255,368.65
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Solution
The fourth proportional to 75,381,805.80, 113,072,708.70 and 32,255,368.65 is: 48,383,052.98
Step by Step Solution
- Step 1: Write the proportion equation
75,381,805.80 : 113,072,708.70 = 32,255,368.65 : x - Step 2: Convert to fraction form
75,381,805.80/113,072,708.70 = 32,255,368.65/x - Step 3: Cross multiply
75,381,805.80x = 113,072,708.70 × 32,255,368.65 - Step 4: Simplify right side
75,381,805.80x = 3,647,201,903,372,562 - Step 5: Solve for x
x = 3,647,201,903,372,562/75,381,805.80 - Step 6: Final answer
x = 48,383,052.98
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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.