Finding the Fourth Proportional to 244,684,895.20, 367,452,495.60 and 129,893,639.20
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Solution
The fourth proportional to 244,684,895.20, 367,452,495.60 and 129,893,639.20 is: 195,066,155.79
Step by Step Solution
- Step 1: Write the proportion equation
244,684,895.20 : 367,452,495.60 = 129,893,639.20 : x - Step 2: Convert to fraction form
244,684,895.20/367,452,495.60 = 129,893,639.20/x - Step 3: Cross multiply
244,684,895.20x = 367,452,495.60 × 129,893,639.20 - Step 4: Simplify right side
244,684,895.20x = 47,729,741,886,605,992 - Step 5: Solve for x
x = 47,729,741,886,605,992/244,684,895.20 - Step 6: Final answer
x = 195,066,155.79
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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.