Finding the Fourth Proportional to 129,431,807.25, 194,174,977.76 and 41,986,496.29
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Solution
The fourth proportional to 129,431,807.25, 194,174,977.76 and 41,986,496.29 is: 62,988,589.56
Step by Step Solution
- Step 1: Write the proportion equation
129,431,807.25 : 194,174,977.76 = 41,986,496.29 : x - Step 2: Convert to fraction form
129,431,807.25/194,174,977.76 = 41,986,496.29/x - Step 3: Cross multiply
129,431,807.25x = 194,174,977.76 × 41,986,496.29 - Step 4: Simplify right side
129,431,807.25x = 8,152,726,983,331,072 - Step 5: Solve for x
x = 8,152,726,983,331,072/129,431,807.25 - Step 6: Final answer
x = 62,988,589.56
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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.