Finding the Fourth Proportional to 79,892,475.26, 110,245,336.54 and 48,948,437.30
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Solution
The fourth proportional to 79,892,475.26, 110,245,336.54 and 48,948,437.30 is: 67,544,996.26
Step by Step Solution
- Step 1: Write the proportion equation
79,892,475.26 : 110,245,336.54 = 48,948,437.30 : x - Step 2: Convert to fraction form
79,892,475.26/110,245,336.54 = 48,948,437.30/x - Step 3: Cross multiply
79,892,475.26x = 110,245,336.54 × 48,948,437.30 - Step 4: Simplify right side
79,892,475.26x = 5,396,336,942,571,991 - Step 5: Solve for x
x = 5,396,336,942,571,991/79,892,475.26 - Step 6: Final answer
x = 67,544,996.26
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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.