Finding the Fourth Proportional to 219,895,717.26, 329,556,641.49 and 122,847,504.78
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Solution
The fourth proportional to 219,895,717.26, 329,556,641.49 and 122,847,504.78 is: 184,110,957.66
Step by Step Solution
- Step 1: Write the proportion equation
219,895,717.26 : 329,556,641.49 = 122,847,504.78 : x - Step 2: Convert to fraction form
219,895,717.26/329,556,641.49 = 122,847,504.78/x - Step 3: Cross multiply
219,895,717.26x = 329,556,641.49 × 122,847,504.78 - Step 4: Simplify right side
219,895,717.26x = 40,485,211,090,723,520 - Step 5: Solve for x
x = 40,485,211,090,723,520/219,895,717.26 - Step 6: Final answer
x = 184,110,957.66
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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.