Finding the Fourth Proportional to 230,268,422.80, 317,769,906.36 and 131,149,163.44
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Solution
The fourth proportional to 230,268,422.80, 317,769,906.36 and 131,149,163.44 is: 180,985,551.03
Step by Step Solution
- Step 1: Write the proportion equation
230,268,422.80 : 317,769,906.36 = 131,149,163.44 : x - Step 2: Convert to fraction form
230,268,422.80/317,769,906.36 = 131,149,163.44/x - Step 3: Cross multiply
230,268,422.80x = 317,769,906.36 × 131,149,163.44 - Step 4: Simplify right side
230,268,422.80x = 41,675,257,385,521,136 - Step 5: Solve for x
x = 41,675,257,385,521,136/230,268,422.80 - Step 6: Final answer
x = 180,985,551.03
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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.