Finding the Fourth Proportional to 183,972,441.70, 275,958,662.82 and 74,772,028.18
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Solution
The fourth proportional to 183,972,441.70, 275,958,662.82 and 74,772,028.18 is: 112,158,042.38
Step by Step Solution
- Step 1: Write the proportion equation
183,972,441.70 : 275,958,662.82 = 74,772,028.18 : x - Step 2: Convert to fraction form
183,972,441.70/275,958,662.82 = 74,772,028.18/x - Step 3: Cross multiply
183,972,441.70x = 275,958,662.82 × 74,772,028.18 - Step 4: Simplify right side
183,972,441.70x = 20,633,988,912,892,160 - Step 5: Solve for x
x = 20,633,988,912,892,160/183,972,441.70 - Step 6: Final answer
x = 112,158,042.38
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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.