Finding the Fourth Proportional to 292,187,360.44, 403,231,232.30 and 161,807,168.44
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Solution
The fourth proportional to 292,187,360.44, 403,231,232.30 and 161,807,168.44 is: 223,300,911.53
Step by Step Solution
- Step 1: Write the proportion equation
292,187,360.44 : 403,231,232.30 = 161,807,168.44 : x - Step 2: Convert to fraction form
292,187,360.44/403,231,232.30 = 161,807,168.44/x - Step 3: Cross multiply
292,187,360.44x = 403,231,232.30 × 161,807,168.44 - Step 4: Simplify right side
292,187,360.44x = 65,245,703,923,217,760 - Step 5: Solve for x
x = 65,245,703,923,217,760/292,187,360.44 - Step 6: Final answer
x = 223,300,911.53
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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.