Finding the Fourth Proportional to 97,652,674.92, 146,396,631.72 and 80,381,728.15
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Solution
The fourth proportional to 97,652,674.92, 146,396,631.72 and 80,381,728.15 is: 120,504,781.49
Step by Step Solution
- Step 1: Write the proportion equation
97,652,674.92 : 146,396,631.72 = 80,381,728.15 : x - Step 2: Convert to fraction form
97,652,674.92/146,396,631.72 = 80,381,728.15/x - Step 3: Cross multiply
97,652,674.92x = 146,396,631.72 × 80,381,728.15 - Step 4: Simplify right side
97,652,674.92x = 11,767,614,252,992,708 - Step 5: Solve for x
x = 11,767,614,252,992,708/97,652,674.92 - Step 6: Final answer
x = 120,504,781.49
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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.