Finding the Fourth Proportional to 115,412,601.49, 173,129,544.64 and 37,689,912.84
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Solution
The fourth proportional to 115,412,601.49, 173,129,544.64 and 37,689,912.84 is: 56,538,344.72
Step by Step Solution
- Step 1: Write the proportion equation
115,412,601.49 : 173,129,544.64 = 37,689,912.84 : x - Step 2: Convert to fraction form
115,412,601.49/173,129,544.64 = 37,689,912.84/x - Step 3: Cross multiply
115,412,601.49x = 173,129,544.64 × 37,689,912.84 - Step 4: Simplify right side
115,412,601.49x = 6,525,237,447,510,489 - Step 5: Solve for x
x = 6,525,237,447,510,489/115,412,601.49 - Step 6: Final answer
x = 56,538,344.72
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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.