Finding the Fourth Proportional to 321,319,916.04, 443,430,837.60 and 182,086,048.20
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Solution
The fourth proportional to 321,319,916.04, 443,430,837.60 and 182,086,048.20 is: 251,284,046.95
Step by Step Solution
- Step 1: Write the proportion equation
321,319,916.04 : 443,430,837.60 = 182,086,048.20 : x - Step 2: Convert to fraction form
321,319,916.04/443,430,837.60 = 182,086,048.20/x - Step 3: Cross multiply
321,319,916.04x = 443,430,837.60 × 182,086,048.20 - Step 4: Simplify right side
321,319,916.04x = 80,742,568,868,599,968 - Step 5: Solve for x
x = 80,742,568,868,599,968/321,319,916.04 - Step 6: Final answer
x = 251,284,046.95
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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.