Finding the Fourth Proportional to 311,049,619.80, 466,574,429.70 and 106,509,715.80
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Solution
The fourth proportional to 311,049,619.80, 466,574,429.70 and 106,509,715.80 is: 159,764,573.70
Step by Step Solution
- Step 1: Write the proportion equation
311,049,619.80 : 466,574,429.70 = 106,509,715.80 : x - Step 2: Convert to fraction form
311,049,619.80/466,574,429.70 = 106,509,715.80/x - Step 3: Cross multiply
311,049,619.80x = 466,574,429.70 × 106,509,715.80 - Step 4: Simplify right side
311,049,619.80x = 49,694,709,906,894,080 - Step 5: Solve for x
x = 49,694,709,906,894,080/311,049,619.80 - Step 6: Final answer
x = 159,764,573.70
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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.