Finding the Fourth Proportional to 120,964,286.70, 181,446,430.05 and 44,289,816.30
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Solution
The fourth proportional to 120,964,286.70, 181,446,430.05 and 44,289,816.30 is: 66,434,724.45
Step by Step Solution
- Step 1: Write the proportion equation
120,964,286.70 : 181,446,430.05 = 44,289,816.30 : x - Step 2: Convert to fraction form
120,964,286.70/181,446,430.05 = 44,289,816.30/x - Step 3: Cross multiply
120,964,286.70x = 181,446,430.05 × 44,289,816.30 - Step 4: Simplify right side
120,964,286.70x = 8,036,229,055,205,300 - Step 5: Solve for x
x = 8,036,229,055,205,300/120,964,286.70 - Step 6: Final answer
x = 66,434,724.45
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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.