Finding the Fourth Proportional to 131,922,121.41, 182,052,742.05 and 73,184,787.95
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Solution
The fourth proportional to 131,922,121.41, 182,052,742.05 and 73,184,787.95 is: 100,995,126.37
Step by Step Solution
- Step 1: Write the proportion equation
131,922,121.41 : 182,052,742.05 = 73,184,787.95 : x - Step 2: Convert to fraction form
131,922,121.41/182,052,742.05 = 73,184,787.95/x - Step 3: Cross multiply
131,922,121.41x = 182,052,742.05 × 73,184,787.95 - Step 4: Simplify right side
131,922,121.41x = 13,323,491,322,645,300 - Step 5: Solve for x
x = 13,323,491,322,645,300/131,922,121.41 - Step 6: Final answer
x = 100,995,126.37
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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.