Finding the Fourth Proportional to 122,880,481.77, 169,568,258.97 and 67,114,798.95
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Solution
The fourth proportional to 122,880,481.77, 169,568,258.97 and 67,114,798.95 is: 92,614,705.32
Step by Step Solution
- Step 1: Write the proportion equation
122,880,481.77 : 169,568,258.97 = 67,114,798.95 : x - Step 2: Convert to fraction form
122,880,481.77/169,568,258.97 = 67,114,798.95/x - Step 3: Cross multiply
122,880,481.77x = 169,568,258.97 × 67,114,798.95 - Step 4: Simplify right side
122,880,481.77x = 11,380,539,609,073,084 - Step 5: Solve for x
x = 11,380,539,609,073,084/122,880,481.77 - Step 6: Final answer
x = 92,614,705.32
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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.