Finding the Fourth Proportional to 171,974,777.99, 257,707,074.89 and 126,313,367.27
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Solution
The fourth proportional to 171,974,777.99, 257,707,074.89 and 126,313,367.27 is: 189,282,688.89
Step by Step Solution
- Step 1: Write the proportion equation
171,974,777.99 : 257,707,074.89 = 126,313,367.27 : x - Step 2: Convert to fraction form
171,974,777.99/257,707,074.89 = 126,313,367.27/x - Step 3: Cross multiply
171,974,777.99x = 257,707,074.89 × 126,313,367.27 - Step 4: Simplify right side
171,974,777.99x = 32,551,848,397,685,216 - Step 5: Solve for x
x = 32,551,848,397,685,216/171,974,777.99 - Step 6: Final answer
x = 189,282,688.89
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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.