Finding the Fourth Proportional to 48,034,379.99, 72,055,999.34 and 15,686,452.05
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Solution
The fourth proportional to 48,034,379.99, 72,055,999.34 and 15,686,452.05 is: 23,531,124.56
Step by Step Solution
- Step 1: Write the proportion equation
48,034,379.99 : 72,055,999.34 = 15,686,452.05 : x - Step 2: Convert to fraction form
48,034,379.99/72,055,999.34 = 15,686,452.05/x - Step 3: Cross multiply
48,034,379.99x = 72,055,999.34 × 15,686,452.05 - Step 4: Simplify right side
48,034,379.99x = 1,130,302,978,677,238.75 - Step 5: Solve for x
x = 1,130,302,978,677,238.75/48,034,379.99 - Step 6: Final answer
x = 23,531,124.56
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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.