Finding the Fourth Proportional to 53,483,079.92, 80,201,258.48 and 18,927,997.18
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Solution
The fourth proportional to 53,483,079.92, 80,201,258.48 and 18,927,997.18 is: 28,383,728.02
Step by Step Solution
- Step 1: Write the proportion equation
53,483,079.92 : 80,201,258.48 = 18,927,997.18 : x - Step 2: Convert to fraction form
53,483,079.92/80,201,258.48 = 18,927,997.18/x - Step 3: Cross multiply
53,483,079.92x = 80,201,258.48 × 18,927,997.18 - Step 4: Simplify right side
53,483,079.92x = 1,518,049,194,188,707.75 - Step 5: Solve for x
x = 1,518,049,194,188,707.75/53,483,079.92 - Step 6: Final answer
x = 28,383,728.02
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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.