Finding the Fourth Proportional to 115,775,544.80, 159,770,566.20 and 63,567,962
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Solution
The fourth proportional to 115,775,544.80, 159,770,566.20 and 63,567,962 is: 87,723,960.17
Step by Step Solution
- Step 1: Write the proportion equation
115,775,544.80 : 159,770,566.20 = 63,567,962 : x - Step 2: Convert to fraction form
115,775,544.80/159,770,566.20 = 63,567,962/x - Step 3: Cross multiply
115,775,544.80x = 159,770,566.20 × 63,567,962 - Step 4: Simplify right side
115,775,544.80x = 10,156,289,280,920,084 - Step 5: Solve for x
x = 10,156,289,280,920,084/115,775,544.80 - Step 6: Final answer
x = 87,723,960.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.