Finding the Fourth Proportional to 248,450,665.80, 372,675,998.70 and 66,716,214.60
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Solution
The fourth proportional to 248,450,665.80, 372,675,998.70 and 66,716,214.60 is: 100,074,321.90
Step by Step Solution
- Step 1: Write the proportion equation
248,450,665.80 : 372,675,998.70 = 66,716,214.60 : x - Step 2: Convert to fraction form
248,450,665.80/372,675,998.70 = 66,716,214.60/x - Step 3: Cross multiply
248,450,665.80x = 372,675,998.70 × 66,716,214.60 - Step 4: Simplify right side
248,450,665.80x = 24,863,531,905,538,520 - Step 5: Solve for x
x = 24,863,531,905,538,520/248,450,665.80 - Step 6: Final answer
x = 100,074,321.90
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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.