Finding the Fourth Proportional to 281,640,289.01, 422,453,838.49 and 74,393,163.32
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Solution
The fourth proportional to 281,640,289.01, 422,453,838.49 and 74,393,163.32 is: 111,588,002.95
Step by Step Solution
- Step 1: Write the proportion equation
281,640,289.01 : 422,453,838.49 = 74,393,163.32 : x - Step 2: Convert to fraction form
281,640,289.01/422,453,838.49 = 74,393,163.32/x - Step 3: Cross multiply
281,640,289.01x = 422,453,838.49 × 74,393,163.32 - Step 4: Simplify right side
281,640,289.01x = 31,427,677,399,649,220 - Step 5: Solve for x
x = 31,427,677,399,649,220/281,640,289.01 - Step 6: Final answer
x = 111,588,002.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.