Finding the Fourth Proportional to 244,555,396.70, 367,258,247.85 and 129,764,140.70
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Solution
The fourth proportional to 244,555,396.70, 367,258,247.85 and 129,764,140.70 is: 194,871,802.42
Step by Step Solution
- Step 1: Write the proportion equation
244,555,396.70 : 367,258,247.85 = 129,764,140.70 : x - Step 2: Convert to fraction form
244,555,396.70/367,258,247.85 = 129,764,140.70/x - Step 3: Cross multiply
244,555,396.70x = 367,258,247.85 × 129,764,140.70 - Step 4: Simplify right side
244,555,396.70x = 47,656,950,947,242,880 - Step 5: Solve for x
x = 47,656,950,947,242,880/244,555,396.70 - Step 6: Final answer
x = 194,871,802.42
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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.