Finding the Fourth Proportional to 115,469,783.94, 173,230,527.88 and 38,790,720.84
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Solution
The fourth proportional to 115,469,783.94, 173,230,527.88 and 38,790,720.84 is: 58,194,765.93
Step by Step Solution
- Step 1: Write the proportion equation
115,469,783.94 : 173,230,527.88 = 38,790,720.84 : x - Step 2: Convert to fraction form
115,469,783.94/173,230,527.88 = 38,790,720.84/x - Step 3: Cross multiply
115,469,783.94x = 173,230,527.88 × 38,790,720.84 - Step 4: Simplify right side
115,469,783.94x = 6,719,737,047,958,917 - Step 5: Solve for x
x = 6,719,737,047,958,917/115,469,783.94 - Step 6: Final answer
x = 58,194,765.93
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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.