Finding the Fourth Proportional to 133,059,514.70, 199,589,272.05 and 60,311,146.70
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Solution
The fourth proportional to 133,059,514.70, 199,589,272.05 and 60,311,146.70 is: 90,466,720.05
Step by Step Solution
- Step 1: Write the proportion equation
133,059,514.70 : 199,589,272.05 = 60,311,146.70 : x - Step 2: Convert to fraction form
133,059,514.70/199,589,272.05 = 60,311,146.70/x - Step 3: Cross multiply
133,059,514.70x = 199,589,272.05 × 60,311,146.70 - Step 4: Simplify right side
133,059,514.70x = 12,037,457,866,353,762 - Step 5: Solve for x
x = 12,037,457,866,353,762/133,059,514.70 - Step 6: Final answer
x = 90,466,720.05
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1.5x scale
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.