Finding the Fourth Proportional to 108,324,794.24, 161,361,323.68 and 102,457,568.96
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Solution
The fourth proportional to 108,324,794.24, 161,361,323.68 and 102,457,568.96 is: 152,621,466.44
Step by Step Solution
- Step 1: Write the proportion equation
108,324,794.24 : 161,361,323.68 = 102,457,568.96 : x - Step 2: Convert to fraction form
108,324,794.24/161,361,323.68 = 102,457,568.96/x - Step 3: Cross multiply
108,324,794.24x = 161,361,323.68 × 102,457,568.96 - Step 4: Simplify right side
108,324,794.24x = 16,532,688,948,420,480 - Step 5: Solve for x
x = 16,532,688,948,420,480/108,324,794.24 - Step 6: Final answer
x = 152,621,466.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.