Finding the Fourth Proportional to 73,397,139.40, 110,001,230.70 and 44,612,720.20
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Solution
The fourth proportional to 73,397,139.40, 110,001,230.70 and 44,612,720.20 is: 66,861,653.83
Step by Step Solution
- Step 1: Write the proportion equation
73,397,139.40 : 110,001,230.70 = 44,612,720.20 : x - Step 2: Convert to fraction form
73,397,139.40/110,001,230.70 = 44,612,720.20/x - Step 3: Cross multiply
73,397,139.40x = 110,001,230.70 × 44,612,720.20 - Step 4: Simplify right side
73,397,139.40x = 4,907,454,126,874,751 - Step 5: Solve for x
x = 4,907,454,126,874,751/73,397,139.40 - Step 6: Final answer
x = 66,861,653.83
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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.