Finding the Fourth Proportional to 190,244,772.84, 284,995,651.24 and 90,392,310.68
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Solution
The fourth proportional to 190,244,772.84, 284,995,651.24 and 90,392,310.68 is: 135,411,948.85
Step by Step Solution
- Step 1: Write the proportion equation
190,244,772.84 : 284,995,651.24 = 90,392,310.68 : x - Step 2: Convert to fraction form
190,244,772.84/284,995,651.24 = 90,392,310.68/x - Step 3: Cross multiply
190,244,772.84x = 284,995,651.24 × 90,392,310.68 - Step 4: Simplify right side
190,244,772.84x = 25,761,415,449,335,012 - Step 5: Solve for x
x = 25,761,415,449,335,012/190,244,772.84 - Step 6: Final answer
x = 135,411,948.85
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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.