Finding the Fourth Proportional to 43,138,893.20, 59,533,141.68 and 25,512,905.12
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Solution
The fourth proportional to 43,138,893.20, 59,533,141.68 and 25,512,905.12 is: 35,208,677.89
Step by Step Solution
- Step 1: Write the proportion equation
43,138,893.20 : 59,533,141.68 = 25,512,905.12 : x - Step 2: Convert to fraction form
43,138,893.20/59,533,141.68 = 25,512,905.12/x - Step 3: Cross multiply
43,138,893.20x = 59,533,141.68 × 25,512,905.12 - Step 4: Simplify right side
43,138,893.20x = 1,518,863,394,879,691.50 - Step 5: Solve for x
x = 1,518,863,394,879,691.50/43,138,893.20 - Step 6: Final answer
x = 35,208,677.89
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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.