Finding the Fourth Proportional to 49,787,107.20, 74,651,169.60 and 25,899,235.20
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Solution
The fourth proportional to 49,787,107.20, 74,651,169.60 and 25,899,235.20 is: 38,833,511.49
Step by Step Solution
- Step 1: Write the proportion equation
49,787,107.20 : 74,651,169.60 = 25,899,235.20 : x - Step 2: Convert to fraction form
49,787,107.20/74,651,169.60 = 25,899,235.20/x - Step 3: Cross multiply
49,787,107.20x = 74,651,169.60 × 25,899,235.20 - Step 4: Simplify right side
49,787,107.20x = 1,933,408,199,425,489.75 - Step 5: Solve for x
x = 1,933,408,199,425,489.75/49,787,107.20 - Step 6: Final answer
x = 38,833,511.49
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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.