Finding the Fourth Proportional to 161,215,899.10, 241,469,387.98 and 133,232,676.42
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Solution
The fourth proportional to 161,215,899.10, 241,469,387.98 and 133,232,676.42 is: 199,556,079.85
Step by Step Solution
- Step 1: Write the proportion equation
161,215,899.10 : 241,469,387.98 = 133,232,676.42 : x - Step 2: Convert to fraction form
161,215,899.10/241,469,387.98 = 133,232,676.42/x - Step 3: Cross multiply
161,215,899.10x = 241,469,387.98 × 133,232,676.42 - Step 4: Simplify right side
161,215,899.10x = 32,171,612,834,074,776 - Step 5: Solve for x
x = 32,171,612,834,074,776/161,215,899.10 - Step 6: Final answer
x = 199,556,079.85
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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.