Finding the Fourth Proportional to 166,811,552.12, 230,199,936.94 and 92,471,924.28
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Solution
The fourth proportional to 166,811,552.12, 230,199,936.94 and 92,471,924.28 is: 127,611,252.74
Step by Step Solution
- Step 1: Write the proportion equation
166,811,552.12 : 230,199,936.94 = 92,471,924.28 : x - Step 2: Convert to fraction form
166,811,552.12/230,199,936.94 = 92,471,924.28/x - Step 3: Cross multiply
166,811,552.12x = 230,199,936.94 × 92,471,924.28 - Step 4: Simplify right side
166,811,552.12x = 21,287,031,137,976,456 - Step 5: Solve for x
x = 21,287,031,137,976,456/166,811,552.12 - Step 6: Final answer
x = 127,611,252.74
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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.