Finding the Fourth Proportional to 258,169,371.62, 356,263,344.97 and 140,692,195.31
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Solution
The fourth proportional to 258,169,371.62, 356,263,344.97 and 140,692,195.31 is: 194,149,568.54
Step by Step Solution
- Step 1: Write the proportion equation
258,169,371.62 : 356,263,344.97 = 140,692,195.31 : x - Step 2: Convert to fraction form
258,169,371.62/356,263,344.97 = 140,692,195.31/x - Step 3: Cross multiply
258,169,371.62x = 356,263,344.97 × 140,692,195.31 - Step 4: Simplify right side
258,169,371.62x = 50,123,472,110,180,096 - Step 5: Solve for x
x = 50,123,472,110,180,096/258,169,371.62 - Step 6: Final answer
x = 194,149,568.54
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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.