Finding the Fourth Proportional to 218,376,213.60, 327,564,320.40 and 201,748,015.20
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Solution
The fourth proportional to 218,376,213.60, 327,564,320.40 and 201,748,015.20 is: 302,622,022.80
Step by Step Solution
- Step 1: Write the proportion equation
218,376,213.60 : 327,564,320.40 = 201,748,015.20 : x - Step 2: Convert to fraction form
218,376,213.60/327,564,320.40 = 201,748,015.20/x - Step 3: Cross multiply
218,376,213.60x = 327,564,320.40 × 201,748,015.20 - Step 4: Simplify right side
218,376,213.60x = 66,085,451,491,036,864 - Step 5: Solve for x
x = 66,085,451,491,036,864/218,376,213.60 - Step 6: Final answer
x = 302,622,022.80
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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.