Finding the Fourth Proportional to 277,857,011.80, 416,785,517.70 and 73,385,087.05
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Solution
The fourth proportional to 277,857,011.80, 416,785,517.70 and 73,385,087.05 is: 110,077,630.58
Step by Step Solution
- Step 1: Write the proportion equation
277,857,011.80 : 416,785,517.70 = 73,385,087.05 : x - Step 2: Convert to fraction form
277,857,011.80/416,785,517.70 = 73,385,087.05/x - Step 3: Cross multiply
277,857,011.80x = 416,785,517.70 × 73,385,087.05 - Step 4: Simplify right side
277,857,011.80x = 30,585,841,497,593,812 - Step 5: Solve for x
x = 30,585,841,497,593,812/277,857,011.80 - Step 6: Final answer
x = 110,077,630.58
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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.