Finding the Fourth Proportional to 144,107,449.13, 216,183,568.57 and 48,391,732.01
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Solution
The fourth proportional to 144,107,449.13, 216,183,568.57 and 48,391,732.01 is: 72,595,118.28
Step by Step Solution
- Step 1: Write the proportion equation
144,107,449.13 : 216,183,568.57 = 48,391,732.01 : x - Step 2: Convert to fraction form
144,107,449.13/216,183,568.57 = 48,391,732.01/x - Step 3: Cross multiply
144,107,449.13x = 216,183,568.57 × 48,391,732.01 - Step 4: Simplify right side
144,107,449.13x = 10,461,497,314,003,002 - Step 5: Solve for x
x = 10,461,497,314,003,002/144,107,449.13 - Step 6: Final answer
x = 72,595,118.28
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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.