Finding the Fourth Proportional to 87,646,118.50, 131,383,738.68 and 36,542,751.94
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Solution
The fourth proportional to 87,646,118.50, 131,383,738.68 and 36,542,751.94 is: 54,778,505.35
Step by Step Solution
- Step 1: Write the proportion equation
87,646,118.50 : 131,383,738.68 = 36,542,751.94 : x - Step 2: Convert to fraction form
87,646,118.50/131,383,738.68 = 36,542,751.94/x - Step 3: Cross multiply
87,646,118.50x = 131,383,738.68 × 36,542,751.94 - Step 4: Simplify right side
87,646,118.50x = 4,801,123,371,533,023 - Step 5: Solve for x
x = 4,801,123,371,533,023/87,646,118.50 - Step 6: Final answer
x = 54,778,505.35
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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.