Finding the Fourth Proportional to 216,515,652.48, 324,757,144.16 and 68,957,249.60
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Solution
The fourth proportional to 216,515,652.48, 324,757,144.16 and 68,957,249.60 is: 103,430,672.07
Step by Step Solution
- Step 1: Write the proportion equation
216,515,652.48 : 324,757,144.16 = 68,957,249.60 : x - Step 2: Convert to fraction form
216,515,652.48/324,757,144.16 = 68,957,249.60/x - Step 3: Cross multiply
216,515,652.48x = 324,757,144.16 × 68,957,249.60 - Step 4: Simplify right side
216,515,652.48x = 22,394,359,449,224,304 - Step 5: Solve for x
x = 22,394,359,449,224,304/216,515,652.48 - Step 6: Final answer
x = 103,430,672.07
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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.