Finding the Fourth Proportional to 110,973,907.60, 166,460,861.40 and 97,536,979.60
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Solution
The fourth proportional to 110,973,907.60, 166,460,861.40 and 97,536,979.60 is: 146,305,469.40
Step by Step Solution
- Step 1: Write the proportion equation
110,973,907.60 : 166,460,861.40 = 97,536,979.60 : x - Step 2: Convert to fraction form
110,973,907.60/166,460,861.40 = 97,536,979.60/x - Step 3: Cross multiply
110,973,907.60x = 166,460,861.40 × 97,536,979.60 - Step 4: Simplify right side
110,973,907.60x = 16,236,089,642,570,228 - Step 5: Solve for x
x = 16,236,089,642,570,228/110,973,907.60 - Step 6: Final answer
x = 146,305,469.40
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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.