Finding the Fourth Proportional to 129,990,912.86, 179,282,861.37 and 114,276,337.31
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Solution
The fourth proportional to 129,990,912.86, 179,282,861.37 and 114,276,337.31 is: 157,609,391.99
Step by Step Solution
- Step 1: Write the proportion equation
129,990,912.86 : 179,282,861.37 = 114,276,337.31 : x - Step 2: Convert to fraction form
129,990,912.86/179,282,861.37 = 114,276,337.31/x - Step 3: Cross multiply
129,990,912.86x = 179,282,861.37 × 114,276,337.31 - Step 4: Simplify right side
129,990,912.86x = 20,487,788,738,923,676 - Step 5: Solve for x
x = 20,487,788,738,923,676/129,990,912.86 - Step 6: Final answer
x = 157,609,391.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.