Finding the Fourth Proportional to 277,925,163.36, 416,891,292.88 and 73,451,472
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Solution
The fourth proportional to 277,925,163.36, 416,891,292.88 and 73,451,472 is: 110,178,145.64
Step by Step Solution
- Step 1: Write the proportion equation
277,925,163.36 : 416,891,292.88 = 73,451,472 : x - Step 2: Convert to fraction form
277,925,163.36/416,891,292.88 = 73,451,472/x - Step 3: Cross multiply
277,925,163.36x = 416,891,292.88 × 73,451,472 - Step 4: Simplify right side
277,925,163.36x = 30,621,279,126,019,120 - Step 5: Solve for x
x = 30,621,279,126,019,120/277,925,163.36 - Step 6: Final answer
x = 110,178,145.64
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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.