Finding the Fourth Proportional to 73,474,170.84, 101,394,372.32 and 40,434,419.97
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Solution
The fourth proportional to 73,474,170.84, 101,394,372.32 and 40,434,419.97 is: 55,799,508.67
Step by Step Solution
- Step 1: Write the proportion equation
73,474,170.84 : 101,394,372.32 = 40,434,419.97 : x - Step 2: Convert to fraction form
73,474,170.84/101,394,372.32 = 40,434,419.97/x - Step 3: Cross multiply
73,474,170.84x = 101,394,372.32 × 40,434,419.97 - Step 4: Simplify right side
73,474,170.84x = 4,099,822,633,032,736.50 - Step 5: Solve for x
x = 4,099,822,633,032,736.50/73,474,170.84 - Step 6: Final answer
x = 55,799,508.67
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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.