Finding the Fourth Proportional to 146,788,751.20, 220,183,126.80 and 60,482,732.80
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Solution
The fourth proportional to 146,788,751.20, 220,183,126.80 and 60,482,732.80 is: 90,724,099.20
Step by Step Solution
- Step 1: Write the proportion equation
146,788,751.20 : 220,183,126.80 = 60,482,732.80 : x - Step 2: Convert to fraction form
146,788,751.20/220,183,126.80 = 60,482,732.80/x - Step 3: Cross multiply
146,788,751.20x = 220,183,126.80 × 60,482,732.80 - Step 4: Simplify right side
146,788,751.20x = 13,317,277,225,312,920 - Step 5: Solve for x
x = 13,317,277,225,312,920/146,788,751.20 - Step 6: Final answer
x = 90,724,099.20
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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.