Finding the Fourth Proportional to 194,313,137.20, 268,151,478.32 and 106,207,083.85
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Solution
The fourth proportional to 194,313,137.20, 268,151,478.32 and 106,207,083.85 is: 146,565,419.88
Step by Step Solution
- Step 1: Write the proportion equation
194,313,137.20 : 268,151,478.32 = 106,207,083.85 : x - Step 2: Convert to fraction form
194,313,137.20/268,151,478.32 = 106,207,083.85/x - Step 3: Cross multiply
194,313,137.20x = 268,151,478.32 × 106,207,083.85 - Step 4: Simplify right side
194,313,137.20x = 28,479,586,542,028,836 - Step 5: Solve for x
x = 28,479,586,542,028,836/194,313,137.20 - Step 6: Final answer
x = 146,565,419.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.