Finding the Fourth Proportional to 203,986,630.20, 281,493,337.26 and 111,165,145.08
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Solution
The fourth proportional to 203,986,630.20, 281,493,337.26 and 111,165,145.08 is: 153,403,424.75
Step by Step Solution
- Step 1: Write the proportion equation
203,986,630.20 : 281,493,337.26 = 111,165,145.08 : x - Step 2: Convert to fraction form
203,986,630.20/281,493,337.26 = 111,165,145.08/x - Step 3: Cross multiply
203,986,630.20x = 281,493,337.26 × 111,165,145.08 - Step 4: Simplify right side
203,986,630.20x = 31,292,247,675,561,268 - Step 5: Solve for x
x = 31,292,247,675,561,268/203,986,630.20 - Step 6: Final answer
x = 153,403,424.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.