Finding the Fourth Proportional to 166,473,193.44, 229,731,314.88 and 92,133,898.56
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Solution
The fourth proportional to 166,473,193.44, 229,731,314.88 and 92,133,898.56 is: 127,143,843.55
Step by Step Solution
- Step 1: Write the proportion equation
166,473,193.44 : 229,731,314.88 = 92,133,898.56 : x - Step 2: Convert to fraction form
166,473,193.44/229,731,314.88 = 92,133,898.56/x - Step 3: Cross multiply
166,473,193.44x = 229,731,314.88 × 92,133,898.56 - Step 4: Simplify right side
166,473,193.44x = 21,166,041,661,209,340 - Step 5: Solve for x
x = 21,166,041,661,209,340/166,473,193.44 - Step 6: Final answer
x = 127,143,843.55
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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.