Finding the Fourth Proportional to 327,431,990.96, 491,204,723.88 and 133,448,940.08
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Solution
The fourth proportional to 327,431,990.96, 491,204,723.88 and 133,448,940.08 is: 200,196,534.16
Step by Step Solution
- Step 1: Write the proportion equation
327,431,990.96 : 491,204,723.88 = 133,448,940.08 : x - Step 2: Convert to fraction form
327,431,990.96/491,204,723.88 = 133,448,940.08/x - Step 3: Cross multiply
327,431,990.96x = 491,204,723.88 × 133,448,940.08 - Step 4: Simplify right side
327,431,990.96x = 65,550,749,764,075,064 - Step 5: Solve for x
x = 65,550,749,764,075,064/327,431,990.96 - Step 6: Final answer
x = 200,196,534.16
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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.