Finding the Fourth Proportional to 76,650,824.55, 114,890,530.11 and 40,263,059.28
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Solution
The fourth proportional to 76,650,824.55, 114,890,530.11 and 40,263,059.28 is: 60,349,568.99
Step by Step Solution
- Step 1: Write the proportion equation
76,650,824.55 : 114,890,530.11 = 40,263,059.28 : x - Step 2: Convert to fraction form
76,650,824.55/114,890,530.11 = 40,263,059.28/x - Step 3: Cross multiply
76,650,824.55x = 114,890,530.11 × 40,263,059.28 - Step 4: Simplify right side
76,650,824.55x = 4,625,844,224,529,555 - Step 5: Solve for x
x = 4,625,844,224,529,555/76,650,824.55 - Step 6: Final answer
x = 60,349,568.99
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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.