Finding the Fourth Proportional to 146,788,968.70, 220,183,453.05 and 60,482,950.30
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Solution
The fourth proportional to 146,788,968.70, 220,183,453.05 and 60,482,950.30 is: 90,724,425.45
Step by Step Solution
- Step 1: Write the proportion equation
146,788,968.70 : 220,183,453.05 = 60,482,950.30 : x - Step 2: Convert to fraction form
146,788,968.70/220,183,453.05 = 60,482,950.30/x - Step 3: Cross multiply
146,788,968.70x = 220,183,453.05 × 60,482,950.30 - Step 4: Simplify right side
146,788,968.70x = 13,317,344,847,705,534 - Step 5: Solve for x
x = 13,317,344,847,705,534/146,788,968.70 - Step 6: Final answer
x = 90,724,425.45
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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.