Finding the Fourth Proportional to 255,841,470.75, 353,061,226.91 and 138,366,800.99
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Solution
The fourth proportional to 255,841,470.75, 353,061,226.91 and 138,366,800.99 is: 190,946,183.89
Step by Step Solution
- Step 1: Write the proportion equation
255,841,470.75 : 353,061,226.91 = 138,366,800.99 : x - Step 2: Convert to fraction form
255,841,470.75/353,061,226.91 = 138,366,800.99/x - Step 3: Cross multiply
255,841,470.75x = 353,061,226.91 × 138,366,800.99 - Step 4: Simplify right side
255,841,470.75x = 48,851,952,521,141,208 - Step 5: Solve for x
x = 48,851,952,521,141,208/255,841,470.75 - Step 6: Final answer
x = 190,946,183.89
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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.