Finding the Fourth Proportional to 195,228,553.44, 269,439,297.60 and 112,722,199.68
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Solution
The fourth proportional to 195,228,553.44, 269,439,297.60 and 112,722,199.68 is: 155,570,431.53
Step by Step Solution
- Step 1: Write the proportion equation
195,228,553.44 : 269,439,297.60 = 112,722,199.68 : x - Step 2: Convert to fraction form
195,228,553.44/269,439,297.60 = 112,722,199.68/x - Step 3: Cross multiply
195,228,553.44x = 269,439,297.60 × 112,722,199.68 - Step 4: Simplify right side
195,228,553.44x = 30,371,790,305,706,148 - Step 5: Solve for x
x = 30,371,790,305,706,148/195,228,553.44 - Step 6: Final answer
x = 155,570,431.53
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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.