Finding the Fourth Proportional to 73,618,234.80, 110,427,352.20 and 49,065,660.60
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Solution
The fourth proportional to 73,618,234.80, 110,427,352.20 and 49,065,660.60 is: 73,598,490.90
Step by Step Solution
- Step 1: Write the proportion equation
73,618,234.80 : 110,427,352.20 = 49,065,660.60 : x - Step 2: Convert to fraction form
73,618,234.80/110,427,352.20 = 49,065,660.60/x - Step 3: Cross multiply
73,618,234.80x = 110,427,352.20 × 49,065,660.60 - Step 4: Simplify right side
73,618,234.80x = 5,418,190,984,001,864 - Step 5: Solve for x
x = 5,418,190,984,001,864/73,618,234.80 - Step 6: Final answer
x = 73,598,490.90
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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.