Finding the Fourth Proportional to 104,848,319.60, 144,691,352.72 and 58,441,516.08
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Solution
The fourth proportional to 104,848,319.60, 144,691,352.72 and 58,441,516.08 is: 80,649,666.57
Step by Step Solution
- Step 1: Write the proportion equation
104,848,319.60 : 144,691,352.72 = 58,441,516.08 : x - Step 2: Convert to fraction form
104,848,319.60/144,691,352.72 = 58,441,516.08/x - Step 3: Cross multiply
104,848,319.60x = 144,691,352.72 × 58,441,516.08 - Step 4: Simplify right side
104,848,319.60x = 8,455,982,016,622,831 - Step 5: Solve for x
x = 8,455,982,016,622,831/104,848,319.60 - Step 6: Final answer
x = 80,649,666.57
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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.