Finding the Fourth Proportional to 102,891,743.44, 141,986,932.32 and 58,236,757.36
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Solution
The fourth proportional to 102,891,743.44, 141,986,932.32 and 58,236,757.36 is: 80,364,645.88
Step by Step Solution
- Step 1: Write the proportion equation
102,891,743.44 : 141,986,932.32 = 58,236,757.36 : x - Step 2: Convert to fraction form
102,891,743.44/141,986,932.32 = 58,236,757.36/x - Step 3: Cross multiply
102,891,743.44x = 141,986,932.32 × 58,236,757.36 - Step 4: Simplify right side
102,891,743.44x = 8,268,858,525,810,581 - Step 5: Solve for x
x = 8,268,858,525,810,581/102,891,743.44 - Step 6: Final answer
x = 80,364,645.88
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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.