Finding the Fourth Proportional to 149,269,384.44, 205,992,374.68 and 82,286,872.19
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Solution
The fourth proportional to 149,269,384.44, 205,992,374.68 and 82,286,872.19 is: 113,556,227.70
Step by Step Solution
- Step 1: Write the proportion equation
149,269,384.44 : 205,992,374.68 = 82,286,872.19 : x - Step 2: Convert to fraction form
149,269,384.44/205,992,374.68 = 82,286,872.19/x - Step 3: Cross multiply
149,269,384.44x = 205,992,374.68 × 82,286,872.19 - Step 4: Simplify right side
149,269,384.44x = 16,950,468,208,128,450 - Step 5: Solve for x
x = 16,950,468,208,128,450/149,269,384.44 - Step 6: Final answer
x = 113,556,227.70
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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.