Finding the Fourth Proportional to 117,711,049.54, 176,405,149.09 and 74,503,124.77
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Solution
The fourth proportional to 117,711,049.54, 176,405,149.09 and 74,503,124.77 is: 111,652,515.92
Step by Step Solution
- Step 1: Write the proportion equation
117,711,049.54 : 176,405,149.09 = 74,503,124.77 : x - Step 2: Convert to fraction form
117,711,049.54/176,405,149.09 = 74,503,124.77/x - Step 3: Cross multiply
117,711,049.54x = 176,405,149.09 × 74,503,124.77 - Step 4: Simplify right side
117,711,049.54x = 13,142,734,832,722,722 - Step 5: Solve for x
x = 13,142,734,832,722,722/117,711,049.54 - Step 6: Final answer
x = 111,652,515.92
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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.