Finding the Fourth Proportional to 57,271,274.44, 79,034,370.42 and 31,517,162.44
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Solution
The fourth proportional to 57,271,274.44, 79,034,370.42 and 31,517,162.44 is: 43,493,690.60
Step by Step Solution
- Step 1: Write the proportion equation
57,271,274.44 : 79,034,370.42 = 31,517,162.44 : x - Step 2: Convert to fraction form
57,271,274.44/79,034,370.42 = 31,517,162.44/x - Step 3: Cross multiply
57,271,274.44x = 79,034,370.42 × 31,517,162.44 - Step 4: Simplify right side
57,271,274.44x = 2,490,939,090,870,271 - Step 5: Solve for x
x = 2,490,939,090,870,271/57,271,274.44 - Step 6: Final answer
x = 43,493,690.60
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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.