Finding the Fourth Proportional to 272,815,757.62, 409,514,950.23 and 117,446,466.58
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Solution
The fourth proportional to 272,815,757.62, 409,514,950.23 and 117,446,466.58 is: 176,295,109.70
Step by Step Solution
- Step 1: Write the proportion equation
272,815,757.62 : 409,514,950.23 = 117,446,466.58 : x - Step 2: Convert to fraction form
272,815,757.62/409,514,950.23 = 117,446,466.58/x - Step 3: Cross multiply
272,815,757.62x = 409,514,950.23 × 117,446,466.58 - Step 4: Simplify right side
272,815,757.62x = 48,096,083,916,198,056 - Step 5: Solve for x
x = 48,096,083,916,198,056/272,815,757.62 - Step 6: Final answer
x = 176,295,109.70
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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.