Finding the Fourth Proportional to 215,801,445.29, 297,738,005.99 and 132,082,299.05
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Solution
The fourth proportional to 215,801,445.29, 297,738,005.99 and 132,082,299.05 is: 182,231,959.99
Step by Step Solution
- Step 1: Write the proportion equation
215,801,445.29 : 297,738,005.99 = 132,082,299.05 : x - Step 2: Convert to fraction form
215,801,445.29/297,738,005.99 = 132,082,299.05/x - Step 3: Cross multiply
215,801,445.29x = 297,738,005.99 × 132,082,299.05 - Step 4: Simplify right side
215,801,445.29x = 39,325,920,343,572,776 - Step 5: Solve for x
x = 39,325,920,343,572,776/215,801,445.29 - Step 6: Final answer
x = 182,231,959.99
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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.