Finding the Fourth Proportional to 151,188,734.70, 226,783,102.05 and 74,661,230.70
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Solution
The fourth proportional to 151,188,734.70, 226,783,102.05 and 74,661,230.70 is: 111,991,846.05
Step by Step Solution
- Step 1: Write the proportion equation
151,188,734.70 : 226,783,102.05 = 74,661,230.70 : x - Step 2: Convert to fraction form
151,188,734.70/226,783,102.05 = 74,661,230.70/x - Step 3: Cross multiply
151,188,734.70x = 226,783,102.05 × 74,661,230.70 - Step 4: Simplify right side
151,188,734.70x = 16,931,905,501,016,694 - Step 5: Solve for x
x = 16,931,905,501,016,694/151,188,734.70 - Step 6: Final answer
x = 111,991,846.05
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1.5x scale
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.