Finding the Fourth Proportional to 115,469,782.94, 173,230,526.38 and 38,790,719.84
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Solution
The fourth proportional to 115,469,782.94, 173,230,526.38 and 38,790,719.84 is: 58,194,764.43
Step by Step Solution
- Step 1: Write the proportion equation
115,469,782.94 : 173,230,526.38 = 38,790,719.84 : x - Step 2: Convert to fraction form
115,469,782.94/173,230,526.38 = 38,790,719.84/x - Step 3: Cross multiply
115,469,782.94x = 173,230,526.38 × 38,790,719.84 - Step 4: Simplify right side
115,469,782.94x = 6,719,736,816,542,310 - Step 5: Solve for x
x = 6,719,736,816,542,310/115,469,782.94 - Step 6: Final answer
x = 58,194,764.43
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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.