Finding the Fourth Proportional to 230,524,107.49, 318,125,792.36 and 126,102,179.84
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Solution
The fourth proportional to 230,524,107.49, 318,125,792.36 and 126,102,179.84 is: 174,022,388.88
Step by Step Solution
- Step 1: Write the proportion equation
230,524,107.49 : 318,125,792.36 = 126,102,179.84 : x - Step 2: Convert to fraction form
230,524,107.49/318,125,792.36 = 126,102,179.84/x - Step 3: Cross multiply
230,524,107.49x = 318,125,792.36 × 126,102,179.84 - Step 4: Simplify right side
230,524,107.49x = 40,116,355,879,292,712 - Step 5: Solve for x
x = 40,116,355,879,292,712/230,524,107.49 - Step 6: Final answer
x = 174,022,388.88
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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.