Finding the Fourth Proportional to 220,349,113.20, 330,240,234.60 and 133,995,855.60
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Solution
The fourth proportional to 220,349,113.20, 330,240,234.60 and 133,995,855.60 is: 200,821,424.45
Step by Step Solution
- Step 1: Write the proportion equation
220,349,113.20 : 330,240,234.60 = 133,995,855.60 : x - Step 2: Convert to fraction form
220,349,113.20/330,240,234.60 = 133,995,855.60/x - Step 3: Cross multiply
220,349,113.20x = 330,240,234.60 × 133,995,855.60 - Step 4: Simplify right side
220,349,113.20x = 44,250,822,788,771,728 - Step 5: Solve for x
x = 44,250,822,788,771,728/220,349,113.20 - Step 6: Final answer
x = 200,821,424.45
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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.