Finding the Fourth Proportional to 73,215,559.71, 101,037,195.12 and 40,176,361.62
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Solution
The fourth proportional to 73,215,559.71, 101,037,195.12 and 40,176,361.62 is: 55,443,226.88
Step by Step Solution
- Step 1: Write the proportion equation
73,215,559.71 : 101,037,195.12 = 40,176,361.62 : x - Step 2: Convert to fraction form
73,215,559.71/101,037,195.12 = 40,176,361.62/x - Step 3: Cross multiply
73,215,559.71x = 101,037,195.12 × 40,176,361.62 - Step 4: Simplify right side
73,215,559.71x = 4,059,306,888,211,619 - Step 5: Solve for x
x = 4,059,306,888,211,619/73,215,559.71 - Step 6: Final answer
x = 55,443,226.88
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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.