Finding the Fourth Proportional to 273,178,448.64, 376,989,183.36 and 149,416,479.36
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Solution
The fourth proportional to 273,178,448.64, 376,989,183.36 and 149,416,479.36 is: 206,196,340.94
Step by Step Solution
- Step 1: Write the proportion equation
273,178,448.64 : 376,989,183.36 = 149,416,479.36 : x - Step 2: Convert to fraction form
273,178,448.64/376,989,183.36 = 149,416,479.36/x - Step 3: Cross multiply
273,178,448.64x = 376,989,183.36 × 149,416,479.36 - Step 4: Simplify right side
273,178,448.64x = 56,328,396,534,452,704 - Step 5: Solve for x
x = 56,328,396,534,452,704/273,178,448.64 - Step 6: Final answer
x = 206,196,340.94
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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.