Finding the Fourth Proportional to 164,048,863.80, 246,073,295.70 and 66,972,307.80
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Solution
The fourth proportional to 164,048,863.80, 246,073,295.70 and 66,972,307.80 is: 100,458,461.70
Step by Step Solution
- Step 1: Write the proportion equation
164,048,863.80 : 246,073,295.70 = 66,972,307.80 : x - Step 2: Convert to fraction form
164,048,863.80/246,073,295.70 = 66,972,307.80/x - Step 3: Cross multiply
164,048,863.80x = 246,073,295.70 × 66,972,307.80 - Step 4: Simplify right side
164,048,863.80x = 16,480,096,500,980,814 - Step 5: Solve for x
x = 16,480,096,500,980,814/164,048,863.80 - Step 6: Final answer
x = 100,458,461.70
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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.