Finding the Fourth Proportional to 66,907,180.34, 92,330,456.23 and 38,649,576.63
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Solution
The fourth proportional to 66,907,180.34, 92,330,456.23 and 38,649,576.63 is: 53,335,576.62
Step by Step Solution
- Step 1: Write the proportion equation
66,907,180.34 : 92,330,456.23 = 38,649,576.63 : x - Step 2: Convert to fraction form
66,907,180.34/92,330,456.23 = 38,649,576.63/x - Step 3: Cross multiply
66,907,180.34x = 92,330,456.23 × 38,649,576.63 - Step 4: Simplify right side
66,907,180.34x = 3,568,533,043,150,998 - Step 5: Solve for x
x = 3,568,533,043,150,998/66,907,180.34 - Step 6: Final answer
x = 53,335,576.62
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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.