Finding the Fourth Proportional to 45,951,107.72, 63,421,938.48 and 27,377,128.68
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Solution
The fourth proportional to 45,951,107.72, 63,421,938.48 and 27,377,128.68 is: 37,786,043.84
Step by Step Solution
- Step 1: Write the proportion equation
45,951,107.72 : 63,421,938.48 = 27,377,128.68 : x - Step 2: Convert to fraction form
45,951,107.72/63,421,938.48 = 27,377,128.68/x - Step 3: Cross multiply
45,951,107.72x = 63,421,938.48 × 27,377,128.68 - Step 4: Simplify right side
45,951,107.72x = 1,736,310,570,902,003.50 - Step 5: Solve for x
x = 1,736,310,570,902,003.50/45,951,107.72 - Step 6: Final answer
x = 37,786,043.84
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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.