Finding the Fourth Proportional to 251,586,441.68, 347,188,578.36 and 141,578,153.60
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Solution
The fourth proportional to 251,586,441.68, 347,188,578.36 and 141,578,153.60 is: 195,377,451.77
Step by Step Solution
- Step 1: Write the proportion equation
251,586,441.68 : 347,188,578.36 = 141,578,153.60 : x - Step 2: Convert to fraction form
251,586,441.68/347,188,578.36 = 141,578,153.60/x - Step 3: Cross multiply
251,586,441.68x = 347,188,578.36 × 141,578,153.60 - Step 4: Simplify right side
251,586,441.68x = 49,154,317,875,217,720 - Step 5: Solve for x
x = 49,154,317,875,217,720/251,586,441.68 - Step 6: Final answer
x = 195,377,451.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.