Finding the Fourth Proportional to 135,431,774.64, 203,083,668.77 and 52,472,391.39
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Solution
The fourth proportional to 135,431,774.64, 203,083,668.77 and 52,472,391.39 is: 78,683,793.23
Step by Step Solution
- Step 1: Write the proportion equation
135,431,774.64 : 203,083,668.77 = 52,472,391.39 : x - Step 2: Convert to fraction form
135,431,774.64/203,083,668.77 = 52,472,391.39/x - Step 3: Cross multiply
135,431,774.64x = 203,083,668.77 × 52,472,391.39 - Step 4: Simplify right side
135,431,774.64x = 10,656,285,752,354,198 - Step 5: Solve for x
x = 10,656,285,752,354,198/135,431,774.64 - Step 6: Final answer
x = 78,683,793.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.