Finding the Fourth Proportional to 79,991,352.78, 119,993,249.97 and 26,144,107.98
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Solution
The fourth proportional to 79,991,352.78, 119,993,249.97 and 26,144,107.98 is: 39,218,195.16
Step by Step Solution
- Step 1: Write the proportion equation
79,991,352.78 : 119,993,249.97 = 26,144,107.98 : x - Step 2: Convert to fraction form
79,991,352.78/119,993,249.97 = 26,144,107.98/x - Step 3: Cross multiply
79,991,352.78x = 119,993,249.97 × 26,144,107.98 - Step 4: Simplify right side
79,991,352.78x = 3,137,116,484,086,812 - Step 5: Solve for x
x = 3,137,116,484,086,812/79,991,352.78 - Step 6: Final answer
x = 39,218,195.16
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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.