Finding the Fourth Proportional to 131,922,120.91, 182,052,741.36 and 73,184,787.46
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Solution
The fourth proportional to 131,922,120.91, 182,052,741.36 and 73,184,787.46 is: 100,995,125.69
Step by Step Solution
- Step 1: Write the proportion equation
131,922,120.91 : 182,052,741.36 = 73,184,787.46 : x - Step 2: Convert to fraction form
131,922,120.91/182,052,741.36 = 73,184,787.46/x - Step 3: Cross multiply
131,922,120.91x = 182,052,741.36 × 73,184,787.46 - Step 4: Simplify right side
131,922,120.91x = 13,323,491,182,941,952 - Step 5: Solve for x
x = 13,323,491,182,941,952/131,922,120.91 - Step 6: Final answer
x = 100,995,125.69
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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.