Finding the Fourth Proportional to 129,382,380.71, 194,134,175.57 and 63,767,749.50
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Solution
The fourth proportional to 129,382,380.71, 194,134,175.57 and 63,767,749.50 is: 95,681,493.95
Step by Step Solution
- Step 1: Write the proportion equation
129,382,380.71 : 194,134,175.57 = 63,767,749.50 : x - Step 2: Convert to fraction form
129,382,380.71/194,134,175.57 = 63,767,749.50/x - Step 3: Cross multiply
129,382,380.71x = 194,134,175.57 × 63,767,749.50 - Step 4: Simplify right side
129,382,380.71x = 12,379,499,477,296,198 - Step 5: Solve for x
x = 12,379,499,477,296,198/129,382,380.71 - Step 6: Final answer
x = 95,681,493.95
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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.