Finding the Fourth Proportional to 166,964,836.17, 230,411,744.97 and 92,625,398.63
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Solution
The fourth proportional to 166,964,836.17, 230,411,744.97 and 92,625,398.63 is: 127,823,200.48
Step by Step Solution
- Step 1: Write the proportion equation
166,964,836.17 : 230,411,744.97 = 92,625,398.63 : x - Step 2: Convert to fraction form
166,964,836.17/230,411,744.97 = 92,625,398.63/x - Step 3: Cross multiply
166,964,836.17x = 230,411,744.97 × 92,625,398.63 - Step 4: Simplify right side
166,964,836.17x = 21,341,979,726,880,148 - Step 5: Solve for x
x = 21,341,979,726,880,148/166,964,836.17 - Step 6: Final answer
x = 127,823,200.48
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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.