Finding the Fourth Proportional to 154,880,687.80, 232,321,031.70 and 147,322,415.80
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Solution
The fourth proportional to 154,880,687.80, 232,321,031.70 and 147,322,415.80 is: 220,983,623.70
Step by Step Solution
- Step 1: Write the proportion equation
154,880,687.80 : 232,321,031.70 = 147,322,415.80 : x - Step 2: Convert to fraction form
154,880,687.80/232,321,031.70 = 147,322,415.80/x - Step 3: Cross multiply
154,880,687.80x = 232,321,031.70 × 147,322,415.80 - Step 4: Simplify right side
154,880,687.80x = 34,226,095,631,192,380 - Step 5: Solve for x
x = 34,226,095,631,192,380/154,880,687.80 - Step 6: Final answer
x = 220,983,623.70
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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.