Finding the Fourth Proportional to 317,952,356.80, 476,760,573.60 and 135,993,956.80
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Solution
The fourth proportional to 317,952,356.80, 476,760,573.60 and 135,993,956.80 is: 203,919,094.99
Step by Step Solution
- Step 1: Write the proportion equation
317,952,356.80 : 476,760,573.60 = 135,993,956.80 : x - Step 2: Convert to fraction form
317,952,356.80/476,760,573.60 = 135,993,956.80/x - Step 3: Cross multiply
317,952,356.80x = 476,760,573.60 × 135,993,956.80 - Step 4: Simplify right side
317,952,356.80x = 64,836,556,850,101,632 - Step 5: Solve for x
x = 64,836,556,850,101,632/317,952,356.80 - Step 6: Final answer
x = 203,919,094.99
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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.