Finding the Fourth Proportional to 79,603,937.80, 119,405,906.70 and 25,751,249.80
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Solution
The fourth proportional to 79,603,937.80, 119,405,906.70 and 25,751,249.80 is: 38,626,874.70
Step by Step Solution
- Step 1: Write the proportion equation
79,603,937.80 : 119,405,906.70 = 25,751,249.80 : x - Step 2: Convert to fraction form
79,603,937.80/119,405,906.70 = 25,751,249.80/x - Step 3: Cross multiply
79,603,937.80x = 119,405,906.70 × 25,751,249.80 - Step 4: Simplify right side
79,603,937.80x = 3,074,851,331,027,194 - Step 5: Solve for x
x = 3,074,851,331,027,194/79,603,937.80 - Step 6: Final answer
x = 38,626,874.70
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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.