Finding the Fourth Proportional to 220,336,523.70, 330,221,350.35 and 133,983,266.10
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Solution
The fourth proportional to 220,336,523.70, 330,221,350.35 and 133,983,266.10 is: 200,802,546.55
Step by Step Solution
- Step 1: Write the proportion equation
220,336,523.70 : 330,221,350.35 = 133,983,266.10 : x - Step 2: Convert to fraction form
220,336,523.70/330,221,350.35 = 133,983,266.10/x - Step 3: Cross multiply
220,336,523.70x = 330,221,350.35 × 133,983,266.10 - Step 4: Simplify right side
220,336,523.70x = 44,244,135,055,845,376 - Step 5: Solve for x
x = 44,244,135,055,845,376/220,336,523.70 - Step 6: Final answer
x = 200,802,546.55
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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.