Finding the Fourth Proportional to 202,992,891.94, 280,132,878.28 and 110,174,512.42
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Solution
The fourth proportional to 202,992,891.94, 280,132,878.28 and 110,174,512.42 is: 152,042,285.73
Step by Step Solution
- Step 1: Write the proportion equation
202,992,891.94 : 280,132,878.28 = 110,174,512.42 : x - Step 2: Convert to fraction form
202,992,891.94/280,132,878.28 = 110,174,512.42/x - Step 3: Cross multiply
202,992,891.94x = 280,132,878.28 × 110,174,512.42 - Step 4: Simplify right side
202,992,891.94x = 30,863,503,277,310,204 - Step 5: Solve for x
x = 30,863,503,277,310,204/202,992,891.94 - Step 6: Final answer
x = 152,042,285.73
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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.