Finding the Fourth Proportional to 217,836,043.60, 326,754,065.40 and 201,207,845.20
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Solution
The fourth proportional to 217,836,043.60, 326,754,065.40 and 201,207,845.20 is: 301,811,767.80
Step by Step Solution
- Step 1: Write the proportion equation
217,836,043.60 : 326,754,065.40 = 201,207,845.20 : x - Step 2: Convert to fraction form
217,836,043.60/326,754,065.40 = 201,207,845.20/x - Step 3: Cross multiply
217,836,043.60x = 326,754,065.40 × 201,207,845.20 - Step 4: Simplify right side
217,836,043.60x = 65,745,481,409,473,864 - Step 5: Solve for x
x = 65,745,481,409,473,864/217,836,043.60 - Step 6: Final answer
x = 301,811,767.80
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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.