Finding the Fourth Proportional to 120,077,573.94, 165,707,193.74 and 65,073,430.44
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Solution
The fourth proportional to 120,077,573.94, 165,707,193.74 and 65,073,430.44 is: 89,801,410.80
Step by Step Solution
- Step 1: Write the proportion equation
120,077,573.94 : 165,707,193.74 = 65,073,430.44 : x - Step 2: Convert to fraction form
120,077,573.94/165,707,193.74 = 65,073,430.44/x - Step 3: Cross multiply
120,077,573.94x = 165,707,193.74 × 65,073,430.44 - Step 4: Simplify right side
120,077,573.94x = 10,783,135,544,922,126 - Step 5: Solve for x
x = 10,783,135,544,922,126/120,077,573.94 - Step 6: Final answer
x = 89,801,410.80
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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.