Finding the Fourth Proportional to 170,304,409.80, 255,456,614.70 and 98,640,793.80
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Solution
The fourth proportional to 170,304,409.80, 255,456,614.70 and 98,640,793.80 is: 147,961,190.70
Step by Step Solution
- Step 1: Write the proportion equation
170,304,409.80 : 255,456,614.70 = 98,640,793.80 : x - Step 2: Convert to fraction form
170,304,409.80/255,456,614.70 = 98,640,793.80/x - Step 3: Cross multiply
170,304,409.80x = 255,456,614.70 × 98,640,793.80 - Step 4: Simplify right side
170,304,409.80x = 25,198,443,255,468,748 - Step 5: Solve for x
x = 25,198,443,255,468,748/170,304,409.80 - Step 6: Final answer
x = 147,961,190.70
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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.