Finding the Fourth Proportional to 138,339,143.24, 207,545,057.76 and 49,716,661.61
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Solution
The fourth proportional to 138,339,143.24, 207,545,057.76 and 49,716,661.61 is: 74,588,053.41
Step by Step Solution
- Step 1: Write the proportion equation
138,339,143.24 : 207,545,057.76 = 49,716,661.61 : x - Step 2: Convert to fraction form
138,339,143.24/207,545,057.76 = 49,716,661.61/x - Step 3: Cross multiply
138,339,143.24x = 207,545,057.76 × 49,716,661.61 - Step 4: Simplify right side
138,339,143.24x = 10,318,447,404,444,098 - Step 5: Solve for x
x = 10,318,447,404,444,098/138,339,143.24 - Step 6: Final answer
x = 74,588,053.41
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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.