Finding the Fourth Proportional to 144,299,198.21, 216,523,213.68 and 67,630,015.49
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Solution
The fourth proportional to 144,299,198.21, 216,523,213.68 and 67,630,015.49 is: 101,479,900.63
Step by Step Solution
- Step 1: Write the proportion equation
144,299,198.21 : 216,523,213.68 = 67,630,015.49 : x - Step 2: Convert to fraction form
144,299,198.21/216,523,213.68 = 67,630,015.49/x - Step 3: Cross multiply
144,299,198.21x = 216,523,213.68 × 67,630,015.49 - Step 4: Simplify right side
144,299,198.21x = 14,643,468,295,122,980 - Step 5: Solve for x
x = 14,643,468,295,122,980/144,299,198.21 - Step 6: Final answer
x = 101,479,900.63
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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.