Finding the Fourth Proportional to 99,575,716.44, 149,278,380.42 and 38,208,913.56
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Solution
The fourth proportional to 99,575,716.44, 149,278,380.42 and 38,208,913.56 is: 57,280,679.85
Step by Step Solution
- Step 1: Write the proportion equation
99,575,716.44 : 149,278,380.42 = 38,208,913.56 : x - Step 2: Convert to fraction form
99,575,716.44/149,278,380.42 = 38,208,913.56/x - Step 3: Cross multiply
99,575,716.44x = 149,278,380.42 × 38,208,913.56 - Step 4: Simplify right side
99,575,716.44x = 5,703,764,733,844,576 - Step 5: Solve for x
x = 5,703,764,733,844,576/99,575,716.44 - Step 6: Final answer
x = 57,280,679.85
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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.