Finding the Fourth Proportional to 135,694,709.86, 203,628,152.08 and 57,972,198.56
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Solution
The fourth proportional to 135,694,709.86, 203,628,152.08 and 57,972,198.56 is: 86,995,076.50
Step by Step Solution
- Step 1: Write the proportion equation
135,694,709.86 : 203,628,152.08 = 57,972,198.56 : x - Step 2: Convert to fraction form
135,694,709.86/203,628,152.08 = 57,972,198.56/x - Step 3: Cross multiply
135,694,709.86x = 203,628,152.08 × 57,972,198.56 - Step 4: Simplify right side
135,694,709.86x = 11,804,771,665,334,410 - Step 5: Solve for x
x = 11,804,771,665,334,410/135,694,709.86 - Step 6: Final answer
x = 86,995,076.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.