Finding the Fourth Proportional to 202,208,104.36, 279,046,575.84 and 109,388,586.52
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Solution
The fourth proportional to 202,208,104.36, 279,046,575.84 and 109,388,586.52 is: 150,955,920.39
Step by Step Solution
- Step 1: Write the proportion equation
202,208,104.36 : 279,046,575.84 = 109,388,586.52 : x - Step 2: Convert to fraction form
202,208,104.36/279,046,575.84 = 109,388,586.52/x - Step 3: Cross multiply
202,208,104.36x = 279,046,575.84 × 109,388,586.52 - Step 4: Simplify right side
202,208,104.36x = 30,524,510,503,685,960 - Step 5: Solve for x
x = 30,524,510,503,685,960/202,208,104.36 - Step 6: Final answer
x = 150,955,920.39
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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.