Finding the Fourth Proportional to 75,901,372.78, 104,742,624.28 and 41,093,780.62
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Solution
The fourth proportional to 75,901,372.78, 104,742,624.28 and 41,093,780.62 is: 56,708,729.58
Step by Step Solution
- Step 1: Write the proportion equation
75,901,372.78 : 104,742,624.28 = 41,093,780.62 : x - Step 2: Convert to fraction form
75,901,372.78/104,742,624.28 = 41,093,780.62/x - Step 3: Cross multiply
75,901,372.78x = 104,742,624.28 × 41,093,780.62 - Step 4: Simplify right side
75,901,372.78x = 4,304,270,423,725,405 - Step 5: Solve for x
x = 4,304,270,423,725,405/75,901,372.78 - Step 6: Final answer
x = 56,708,729.58
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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.