Finding the Fourth Proportional to 193,551,405.20, 290,327,107.80 and 170,876,589.20
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Solution
The fourth proportional to 193,551,405.20, 290,327,107.80 and 170,876,589.20 is: 256,314,883.80
Step by Step Solution
- Step 1: Write the proportion equation
193,551,405.20 : 290,327,107.80 = 170,876,589.20 : x - Step 2: Convert to fraction form
193,551,405.20/290,327,107.80 = 170,876,589.20/x - Step 3: Cross multiply
193,551,405.20x = 290,327,107.80 × 170,876,589.20 - Step 4: Simplify right side
193,551,405.20x = 49,610,105,933,164,712 - Step 5: Solve for x
x = 49,610,105,933,164,712/193,551,405.20 - Step 6: Final answer
x = 256,314,883.80
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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.