Finding the Fourth Proportional to 131,958,750.49, 197,931,687.72 and 48,976,649.44
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Solution
The fourth proportional to 131,958,750.49, 197,931,687.72 and 48,976,649.44 is: 73,462,584.68
Step by Step Solution
- Step 1: Write the proportion equation
131,958,750.49 : 197,931,687.72 = 48,976,649.44 : x - Step 2: Convert to fraction form
131,958,750.49/197,931,687.72 = 48,976,649.44/x - Step 3: Cross multiply
131,958,750.49x = 197,931,687.72 × 48,976,649.44 - Step 4: Simplify right side
131,958,750.49x = 9,694,030,882,529,992 - Step 5: Solve for x
x = 9,694,030,882,529,992/131,958,750.49 - Step 6: Final answer
x = 73,462,584.68
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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.