Finding the Fourth Proportional to 217,745,309.80, 326,617,964.70 and 96,576,761.80
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Solution
The fourth proportional to 217,745,309.80, 326,617,964.70 and 96,576,761.80 is: 144,865,142.70
Step by Step Solution
- Step 1: Write the proportion equation
217,745,309.80 : 326,617,964.70 = 96,576,761.80 : x - Step 2: Convert to fraction form
217,745,309.80/326,617,964.70 = 96,576,761.80/x - Step 3: Cross multiply
217,745,309.80x = 326,617,964.70 × 96,576,761.80 - Step 4: Simplify right side
217,745,309.80x = 31,543,705,376,432,708 - Step 5: Solve for x
x = 31,543,705,376,432,708/217,745,309.80 - Step 6: Final answer
x = 144,865,142.70
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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.