Finding the Fourth Proportional to 138,339,144.24, 207,545,059.26 and 49,716,662.61
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Solution
The fourth proportional to 138,339,144.24, 207,545,059.26 and 49,716,662.61 is: 74,588,054.92
Step by Step Solution
- Step 1: Write the proportion equation
138,339,144.24 : 207,545,059.26 = 49,716,662.61 : x - Step 2: Convert to fraction form
138,339,144.24/207,545,059.26 = 49,716,662.61/x - Step 3: Cross multiply
138,339,144.24x = 207,545,059.26 × 49,716,662.61 - Step 4: Simplify right side
138,339,144.24x = 10,318,447,687,601,876 - Step 5: Solve for x
x = 10,318,447,687,601,876/138,339,144.24 - Step 6: Final answer
x = 74,588,054.92
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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.