Finding the Fourth Proportional to 236,201,728.65, 354,302,592.98 and 66,000,640.65
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Solution
The fourth proportional to 236,201,728.65, 354,302,592.98 and 66,000,640.65 is: 99,000,960.98
Step by Step Solution
- Step 1: Write the proportion equation
236,201,728.65 : 354,302,592.98 = 66,000,640.65 : x - Step 2: Convert to fraction form
236,201,728.65/354,302,592.98 = 66,000,640.65/x - Step 3: Cross multiply
236,201,728.65x = 354,302,592.98 × 66,000,640.65 - Step 4: Simplify right side
236,201,728.65x = 23,384,198,120,306,192 - Step 5: Solve for x
x = 23,384,198,120,306,192/236,201,728.65 - Step 6: Final answer
x = 99,000,960.98
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1.5x scale
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.