Finding the Fourth Proportional to 273,178,449.64, 376,989,184.74 and 149,416,480.36
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Solution
The fourth proportional to 273,178,449.64, 376,989,184.74 and 149,416,480.36 is: 206,196,342.32
Step by Step Solution
- Step 1: Write the proportion equation
273,178,449.64 : 376,989,184.74 = 149,416,480.36 : x - Step 2: Convert to fraction form
273,178,449.64/376,989,184.74 = 149,416,480.36/x - Step 3: Cross multiply
273,178,449.64x = 376,989,184.74 × 149,416,480.36 - Step 4: Simplify right side
273,178,449.64x = 56,328,397,117,636,632 - Step 5: Solve for x
x = 56,328,397,117,636,632/273,178,449.64 - Step 6: Final answer
x = 206,196,342.32
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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.