Finding the Fourth Proportional to 213,404,338.08, 319,229,629.38 and 170,357,617.08
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Solution
The fourth proportional to 213,404,338.08, 319,229,629.38 and 170,357,617.08 is: 254,836,426.72
Step by Step Solution
- Step 1: Write the proportion equation
213,404,338.08 : 319,229,629.38 = 170,357,617.08 : x - Step 2: Convert to fraction form
213,404,338.08/319,229,629.38 = 170,357,617.08/x - Step 3: Cross multiply
213,404,338.08x = 319,229,629.38 × 170,357,617.08 - Step 4: Simplify right side
213,404,338.08x = 54,383,198,962,508,360 - Step 5: Solve for x
x = 54,383,198,962,508,360/213,404,338.08 - Step 6: Final answer
x = 254,836,426.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.