Finding the Fourth Proportional to 190,143,574.25, 284,844,013.38 and 131,045,489.75
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Solution
The fourth proportional to 190,143,574.25, 284,844,013.38 and 131,045,489.75 is: 196,312,304.45
Step by Step Solution
- Step 1: Write the proportion equation
190,143,574.25 : 284,844,013.38 = 131,045,489.75 : x - Step 2: Convert to fraction form
190,143,574.25/284,844,013.38 = 131,045,489.75/x - Step 3: Cross multiply
190,143,574.25x = 284,844,013.38 × 131,045,489.75 - Step 4: Simplify right side
190,143,574.25x = 37,327,523,236,449,760 - Step 5: Solve for x
x = 37,327,523,236,449,760/190,143,574.25 - Step 6: Final answer
x = 196,312,304.45
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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.