Finding the Fourth Proportional to 129,414,141.54, 194,125,198.19 and 56,593,438.56
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Solution
The fourth proportional to 129,414,141.54, 194,125,198.19 and 56,593,438.56 is: 84,891,900.88
Step by Step Solution
- Step 1: Write the proportion equation
129,414,141.54 : 194,125,198.19 = 56,593,438.56 : x - Step 2: Convert to fraction form
129,414,141.54/194,125,198.19 = 56,593,438.56/x - Step 3: Cross multiply
129,414,141.54x = 194,125,198.19 × 56,593,438.56 - Step 4: Simplify right side
129,414,141.54x = 10,986,212,476,430,622 - Step 5: Solve for x
x = 10,986,212,476,430,622/129,414,141.54 - Step 6: Final answer
x = 84,891,900.88
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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.