Finding the Fourth Proportional to 211,647,549.81, 317,474,515.32 and 73,477,544.49
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Solution
The fourth proportional to 211,647,549.81, 317,474,515.32 and 73,477,544.49 is: 110,217,424.42
Step by Step Solution
- Step 1: Write the proportion equation
211,647,549.81 : 317,474,515.32 = 73,477,544.49 : x - Step 2: Convert to fraction form
211,647,549.81/317,474,515.32 = 73,477,544.49/x - Step 3: Cross multiply
211,647,549.81x = 317,474,515.32 × 73,477,544.49 - Step 4: Simplify right side
211,647,549.81x = 23,327,247,823,866,484 - Step 5: Solve for x
x = 23,327,247,823,866,484/211,647,549.81 - Step 6: Final answer
x = 110,217,424.42
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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.