Finding the Fourth Proportional to 264,193,115.20, 396,289,672.80 and 160,880,984.80
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Solution
The fourth proportional to 264,193,115.20, 396,289,672.80 and 160,880,984.80 is: 241,321,477.20
Step by Step Solution
- Step 1: Write the proportion equation
264,193,115.20 : 396,289,672.80 = 160,880,984.80 : x - Step 2: Convert to fraction form
264,193,115.20/396,289,672.80 = 160,880,984.80/x - Step 3: Cross multiply
264,193,115.20x = 396,289,672.80 × 160,880,984.80 - Step 4: Simplify right side
264,193,115.20x = 63,755,472,826,133,784 - Step 5: Solve for x
x = 63,755,472,826,133,784/264,193,115.20 - Step 6: Final answer
x = 241,321,477.20
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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.