Finding the Fourth Proportional to 81,704,738.88, 122,585,106.24 and 27,889,842.24
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Solution
The fourth proportional to 81,704,738.88, 122,585,106.24 and 27,889,842.24 is: 41,844,320.43
Step by Step Solution
- Step 1: Write the proportion equation
81,704,738.88 : 122,585,106.24 = 27,889,842.24 : x - Step 2: Convert to fraction form
81,704,738.88/122,585,106.24 = 27,889,842.24/x - Step 3: Cross multiply
81,704,738.88x = 122,585,106.24 × 27,889,842.24 - Step 4: Simplify right side
81,704,738.88x = 3,418,879,274,007,239 - Step 5: Solve for x
x = 3,418,879,274,007,239/81,704,738.88 - Step 6: Final answer
x = 41,844,320.43
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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.