Finding the Fourth Proportional to 269,139,058.44, 371,412,063.36 and 145,379,790.24
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Solution
The fourth proportional to 269,139,058.44, 371,412,063.36 and 145,379,790.24 is: 200,624,198.42
Step by Step Solution
- Step 1: Write the proportion equation
269,139,058.44 : 371,412,063.36 = 145,379,790.24 : x - Step 2: Convert to fraction form
269,139,058.44/371,412,063.36 = 145,379,790.24/x - Step 3: Cross multiply
269,139,058.44x = 371,412,063.36 × 145,379,790.24 - Step 4: Simplify right side
269,139,058.44x = 53,995,807,863,882,392 - Step 5: Solve for x
x = 53,995,807,863,882,392/269,139,058.44 - Step 6: Final answer
x = 200,624,198.42
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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.