Finding the Fourth Proportional to 120,077,576.94, 165,707,197.88 and 65,073,433.44
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Solution
The fourth proportional to 120,077,576.94, 165,707,197.88 and 65,073,433.44 is: 89,801,414.94
Step by Step Solution
- Step 1: Write the proportion equation
120,077,576.94 : 165,707,197.88 = 65,073,433.44 : x - Step 2: Convert to fraction form
120,077,576.94/165,707,197.88 = 65,073,433.44/x - Step 3: Cross multiply
120,077,576.94x = 165,707,197.88 × 65,073,433.44 - Step 4: Simplify right side
120,077,576.94x = 10,783,136,311,447,722 - Step 5: Solve for x
x = 10,783,136,311,447,722/120,077,576.94 - Step 6: Final answer
x = 89,801,414.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.