Finding the Fourth Proportional to 97,795,431.20, 146,586,010.80 and 49,195,776.80
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Solution
The fourth proportional to 97,795,431.20, 146,586,010.80 and 49,195,776.80 is: 73,739,770.67
Step by Step Solution
- Step 1: Write the proportion equation
97,795,431.20 : 146,586,010.80 = 49,195,776.80 : x - Step 2: Convert to fraction form
97,795,431.20/146,586,010.80 = 49,195,776.80/x - Step 3: Cross multiply
97,795,431.20x = 146,586,010.80 × 49,195,776.80 - Step 4: Simplify right side
97,795,431.20x = 7,211,412,669,319,190 - Step 5: Solve for x
x = 7,211,412,669,319,190/97,795,431.20 - Step 6: Final answer
x = 73,739,770.67
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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.