Finding the Fourth Proportional to 68,990,634.23, 103,496,286.94 and 22,288,514.99
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Solution
The fourth proportional to 68,990,634.23, 103,496,286.94 and 22,288,514.99 is: 33,436,111.56
Step by Step Solution
- Step 1: Write the proportion equation
68,990,634.23 : 103,496,286.94 = 22,288,514.99 : x - Step 2: Convert to fraction form
68,990,634.23/103,496,286.94 = 22,288,514.99/x - Step 3: Cross multiply
68,990,634.23x = 103,496,286.94 × 22,288,514.99 - Step 4: Simplify right side
68,990,634.23x = 2,306,778,542,298,328.50 - Step 5: Solve for x
x = 2,306,778,542,298,328.50/68,990,634.23 - Step 6: Final answer
x = 33,436,111.56
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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.