Finding the Fourth Proportional to 48,017,190.24, 66,263,713.20 and 25,990,685.28
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Solution
The fourth proportional to 48,017,190.24, 66,263,713.20 and 25,990,685.28 is: 35,867,140.64
Step by Step Solution
- Step 1: Write the proportion equation
48,017,190.24 : 66,263,713.20 = 25,990,685.28 : x - Step 2: Convert to fraction form
48,017,190.24/66,263,713.20 = 25,990,685.28/x - Step 3: Cross multiply
48,017,190.24x = 66,263,713.20 × 25,990,685.28 - Step 4: Simplify right side
48,017,190.24x = 1,722,239,315,265,381.75 - Step 5: Solve for x
x = 1,722,239,315,265,381.75/48,017,190.24 - Step 6: Final answer
x = 35,867,140.64
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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.