Finding the Fourth Proportional to 206,198,878.72, 284,552,452.12 and 112,113,024.44
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Solution
The fourth proportional to 206,198,878.72, 284,552,452.12 and 112,113,024.44 is: 154,714,886.02
Step by Step Solution
- Step 1: Write the proportion equation
206,198,878.72 : 284,552,452.12 = 112,113,024.44 : x - Step 2: Convert to fraction form
206,198,878.72/284,552,452.12 = 112,113,024.44/x - Step 3: Cross multiply
206,198,878.72x = 284,552,452.12 × 112,113,024.44 - Step 4: Simplify right side
206,198,878.72x = 31,902,036,018,991,488 - Step 5: Solve for x
x = 31,902,036,018,991,488/206,198,878.72 - Step 6: Final answer
x = 154,714,886.02
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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.