Finding the Fourth Proportional to 206,247,466.63, 285,370,975.80 and 179,840,884.53
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Solution
The fourth proportional to 206,247,466.63, 285,370,975.80 and 179,840,884.53 is: 248,833,935.02
Step by Step Solution
- Step 1: Write the proportion equation
206,247,466.63 : 285,370,975.80 = 179,840,884.53 : x - Step 2: Convert to fraction form
206,247,466.63/285,370,975.80 = 179,840,884.53/x - Step 3: Cross multiply
206,247,466.63x = 285,370,975.80 × 179,840,884.53 - Step 4: Simplify right side
206,247,466.63x = 51,321,368,708,131,368 - Step 5: Solve for x
x = 51,321,368,708,131,368/206,247,466.63 - Step 6: Final answer
x = 248,833,935.02
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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.