Finding the Fourth Proportional to 217,744,471.80, 326,616,707.70 and 96,575,923.80
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Solution
The fourth proportional to 217,744,471.80, 326,616,707.70 and 96,575,923.80 is: 144,863,885.70
Step by Step Solution
- Step 1: Write the proportion equation
217,744,471.80 : 326,616,707.70 = 96,575,923.80 : x - Step 2: Convert to fraction form
217,744,471.80/326,616,707.70 = 96,575,923.80/x - Step 3: Cross multiply
217,744,471.80x = 326,616,707.70 × 96,575,923.80 - Step 4: Simplify right side
217,744,471.80x = 31,543,310,274,642,072 - Step 5: Solve for x
x = 31,543,310,274,642,072/217,744,471.80 - Step 6: Final answer
x = 144,863,885.70
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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.