Finding the Fourth Proportional to 220,198,950.08, 303,883,306.48 and 121,087,823.12
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Solution
The fourth proportional to 220,198,950.08, 303,883,306.48 and 121,087,823.12 is: 167,106,010.50
Step by Step Solution
- Step 1: Write the proportion equation
220,198,950.08 : 303,883,306.48 = 121,087,823.12 : x - Step 2: Convert to fraction form
220,198,950.08/303,883,306.48 = 121,087,823.12/x - Step 3: Cross multiply
220,198,950.08x = 303,883,306.48 × 121,087,823.12 - Step 4: Simplify right side
220,198,950.08x = 36,796,568,064,170,992 - Step 5: Solve for x
x = 36,796,568,064,170,992/220,198,950.08 - Step 6: Final answer
x = 167,106,010.50
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1.5x scale
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.