Finding the Fourth Proportional to 217,744,453.80, 326,616,680.70 and 96,575,905.80
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Solution
The fourth proportional to 217,744,453.80, 326,616,680.70 and 96,575,905.80 is: 144,863,858.70
Step by Step Solution
- Step 1: Write the proportion equation
217,744,453.80 : 326,616,680.70 = 96,575,905.80 : x - Step 2: Convert to fraction form
217,744,453.80/326,616,680.70 = 96,575,905.80/x - Step 3: Cross multiply
217,744,453.80x = 326,616,680.70 × 96,575,905.80 - Step 4: Simplify right side
217,744,453.80x = 31,543,301,787,991,876 - Step 5: Solve for x
x = 31,543,301,787,991,876/217,744,453.80 - Step 6: Final answer
x = 144,863,858.70
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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.