Finding the Fourth Proportional to 138,339,145.24, 207,545,060.76 and 49,716,663.61
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Solution
The fourth proportional to 138,339,145.24, 207,545,060.76 and 49,716,663.61 is: 74,588,056.42
Step by Step Solution
- Step 1: Write the proportion equation
138,339,145.24 : 207,545,060.76 = 49,716,663.61 : x - Step 2: Convert to fraction form
138,339,145.24/207,545,060.76 = 49,716,663.61/x - Step 3: Cross multiply
138,339,145.24x = 207,545,060.76 × 49,716,663.61 - Step 4: Simplify right side
138,339,145.24x = 10,318,447,969,721,930 - Step 5: Solve for x
x = 10,318,447,969,721,930/138,339,145.24 - Step 6: Final answer
x = 74,588,056.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.