Finding the Fourth Proportional to 113,568,138.70, 170,352,208.05 and 62,430,397.90
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Solution
The fourth proportional to 113,568,138.70, 170,352,208.05 and 62,430,397.90 is: 93,645,596.85
Step by Step Solution
- Step 1: Write the proportion equation
113,568,138.70 : 170,352,208.05 = 62,430,397.90 : x - Step 2: Convert to fraction form
113,568,138.70/170,352,208.05 = 62,430,397.90/x - Step 3: Cross multiply
113,568,138.70x = 170,352,208.05 × 62,430,397.90 - Step 4: Simplify right side
113,568,138.70x = 10,635,156,131,705,084 - Step 5: Solve for x
x = 10,635,156,131,705,084/113,568,138.70 - Step 6: Final answer
x = 93,645,596.85
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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.