Finding the Fourth Proportional to 108,807,786.90, 163,135,924.83 and 48,190,652.82
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Solution
The fourth proportional to 108,807,786.90, 163,135,924.83 and 48,190,652.82 is: 72,252,427.33
Step by Step Solution
- Step 1: Write the proportion equation
108,807,786.90 : 163,135,924.83 = 48,190,652.82 : x - Step 2: Convert to fraction form
108,807,786.90/163,135,924.83 = 48,190,652.82/x - Step 3: Cross multiply
108,807,786.90x = 163,135,924.83 × 48,190,652.82 - Step 4: Simplify right side
108,807,786.90x = 7,861,626,715,952,148 - Step 5: Solve for x
x = 7,861,626,715,952,148/108,807,786.90 - Step 6: Final answer
x = 72,252,427.33
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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.