Finding the Fourth Proportional to 76,474,983.28, 114,733,558.73 and 30,449,173.99
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Solution
The fourth proportional to 76,474,983.28, 114,733,558.73 and 30,449,173.99 is: 45,682,155.68
Step by Step Solution
- Step 1: Write the proportion equation
76,474,983.28 : 114,733,558.73 = 30,449,173.99 : x - Step 2: Convert to fraction form
76,474,983.28/114,733,558.73 = 30,449,173.99/x - Step 3: Cross multiply
76,474,983.28x = 114,733,558.73 × 30,449,173.99 - Step 4: Simplify right side
76,474,983.28x = 3,493,542,092,109,407 - Step 5: Solve for x
x = 3,493,542,092,109,407/76,474,983.28 - Step 6: Final answer
x = 45,682,155.68
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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.