Finding the Fourth Proportional to 115,469,336.84, 173,229,855.53 and 38,790,273.74
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Solution
The fourth proportional to 115,469,336.84, 173,229,855.53 and 38,790,273.74 is: 58,194,094.63
Step by Step Solution
- Step 1: Write the proportion equation
115,469,336.84 : 173,229,855.53 = 38,790,273.74 : x - Step 2: Convert to fraction form
115,469,336.84/173,229,855.53 = 38,790,273.74/x - Step 3: Cross multiply
115,469,336.84x = 173,229,855.53 × 38,790,273.74 - Step 4: Simplify right side
115,469,336.84x = 6,719,633,514,889,252 - Step 5: Solve for x
x = 6,719,633,514,889,252/115,469,336.84 - Step 6: Final answer
x = 58,194,094.63
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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.