Finding the Fourth Proportional to 194,313,219.13, 268,151,591.10 and 106,207,165.81
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Solution
The fourth proportional to 194,313,219.13, 268,151,591.10 and 106,207,165.81 is: 146,565,532.83
Step by Step Solution
- Step 1: Write the proportion equation
194,313,219.13 : 268,151,591.10 = 106,207,165.81 : x - Step 2: Convert to fraction form
194,313,219.13/268,151,591.10 = 106,207,165.81/x - Step 3: Cross multiply
194,313,219.13x = 268,151,591.10 × 106,207,165.81 - Step 4: Simplify right side
194,313,219.13x = 28,479,620,498,173,020 - Step 5: Solve for x
x = 28,479,620,498,173,020/194,313,219.13 - Step 6: Final answer
x = 146,565,532.83
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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.