Finding the Fourth Proportional to 164,448,361.20, 246,672,541.80 and 149,331,817.20
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Solution
The fourth proportional to 164,448,361.20, 246,672,541.80 and 149,331,817.20 is: 223,997,725.80
Step by Step Solution
- Step 1: Write the proportion equation
164,448,361.20 : 246,672,541.80 = 149,331,817.20 : x - Step 2: Convert to fraction form
164,448,361.20/246,672,541.80 = 149,331,817.20/x - Step 3: Cross multiply
164,448,361.20x = 246,672,541.80 × 149,331,817.20 - Step 4: Simplify right side
164,448,361.20x = 36,836,058,920,336,960 - Step 5: Solve for x
x = 36,836,058,920,336,960/164,448,361.20 - Step 6: Final answer
x = 223,997,725.80
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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.