Finding the Fourth Proportional to 171,073,020.80, 256,609,531.20 and 102,880,611.20
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Solution
The fourth proportional to 171,073,020.80, 256,609,531.20 and 102,880,611.20 is: 154,320,916.80
Step by Step Solution
- Step 1: Write the proportion equation
171,073,020.80 : 256,609,531.20 = 102,880,611.20 : x - Step 2: Convert to fraction form
171,073,020.80/256,609,531.20 = 102,880,611.20/x - Step 3: Cross multiply
171,073,020.80x = 256,609,531.20 × 102,880,611.20 - Step 4: Simplify right side
171,073,020.80x = 26,400,145,409,601,468 - Step 5: Solve for x
x = 26,400,145,409,601,468/171,073,020.80 - Step 6: Final answer
x = 154,320,916.80
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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.