Finding the Fourth Proportional to 146,788,774.20, 220,183,161.30 and 60,482,755.80
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Solution
The fourth proportional to 146,788,774.20, 220,183,161.30 and 60,482,755.80 is: 90,724,133.70
Step by Step Solution
- Step 1: Write the proportion equation
146,788,774.20 : 220,183,161.30 = 60,482,755.80 : x - Step 2: Convert to fraction form
146,788,774.20/220,183,161.30 = 60,482,755.80/x - Step 3: Cross multiply
146,788,774.20x = 220,183,161.30 × 60,482,755.80 - Step 4: Simplify right side
146,788,774.20x = 13,317,284,376,179,910 - Step 5: Solve for x
x = 13,317,284,376,179,910/146,788,774.20 - Step 6: Final answer
x = 90,724,133.70
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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.