Finding the Fourth Proportional to 48,271,647.20, 72,491,451.60 and 25,596,831.20
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Solution
The fourth proportional to 48,271,647.20, 72,491,451.60 and 25,596,831.20 is: 38,439,778.99
Step by Step Solution
- Step 1: Write the proportion equation
48,271,647.20 : 72,491,451.60 = 25,596,831.20 : x - Step 2: Convert to fraction form
48,271,647.20/72,491,451.60 = 25,596,831.20/x - Step 3: Cross multiply
48,271,647.20x = 72,491,451.60 × 25,596,831.20 - Step 4: Simplify right side
48,271,647.20x = 1,855,551,450,048,169.75 - Step 5: Solve for x
x = 1,855,551,450,048,169.75/48,271,647.20 - Step 6: Final answer
x = 38,439,778.99
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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.