Finding the Fourth Proportional to 119,122,274.28, 164,392,730.57 and 66,201,212.44
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Solution
The fourth proportional to 119,122,274.28, 164,392,730.57 and 66,201,212.44 is: 91,359,891.72
Step by Step Solution
- Step 1: Write the proportion equation
119,122,274.28 : 164,392,730.57 = 66,201,212.44 : x - Step 2: Convert to fraction form
119,122,274.28/164,392,730.57 = 66,201,212.44/x - Step 3: Cross multiply
119,122,274.28x = 164,392,730.57 × 66,201,212.44 - Step 4: Simplify right side
119,122,274.28x = 10,882,998,080,056,252 - Step 5: Solve for x
x = 10,882,998,080,056,252/119,122,274.28 - Step 6: Final answer
x = 91,359,891.72
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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.