Finding the Fourth Proportional to 189,154,601.97, 261,033,232.82 and 102,234,473.97
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Solution
The fourth proportional to 189,154,601.97, 261,033,232.82 and 102,234,473.97 is: 141,083,510.35
Step by Step Solution
- Step 1: Write the proportion equation
189,154,601.97 : 261,033,232.82 = 102,234,473.97 : x - Step 2: Convert to fraction form
189,154,601.97/261,033,232.82 = 102,234,473.97/x - Step 3: Cross multiply
189,154,601.97x = 261,033,232.82 × 102,234,473.97 - Step 4: Simplify right side
189,154,601.97x = 26,686,595,245,530,068 - Step 5: Solve for x
x = 26,686,595,245,530,068/189,154,601.97 - Step 6: Final answer
x = 141,083,510.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.