Finding the Fourth Proportional to 174,553,942.12, 241,114,377.39 and 129,382,260.55
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Solution
The fourth proportional to 174,553,942.12, 241,114,377.39 and 129,382,260.55 is: 178,717,952.85
Step by Step Solution
- Step 1: Write the proportion equation
174,553,942.12 : 241,114,377.39 = 129,382,260.55 : x - Step 2: Convert to fraction form
174,553,942.12/241,114,377.39 = 129,382,260.55/x - Step 3: Cross multiply
174,553,942.12x = 241,114,377.39 × 129,382,260.55 - Step 4: Simplify right side
174,553,942.12x = 31,195,923,197,824,008 - Step 5: Solve for x
x = 31,195,923,197,824,008/174,553,942.12 - Step 6: Final answer
x = 178,717,952.85
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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.