Finding the Fourth Proportional to 177,147,272.20, 265,720,908.30 and 121,664,831.80
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Solution
The fourth proportional to 177,147,272.20, 265,720,908.30 and 121,664,831.80 is: 182,497,247.70
Step by Step Solution
- Step 1: Write the proportion equation
177,147,272.20 : 265,720,908.30 = 121,664,831.80 : x - Step 2: Convert to fraction form
177,147,272.20/265,720,908.30 = 121,664,831.80/x - Step 3: Cross multiply
177,147,272.20x = 265,720,908.30 × 121,664,831.80 - Step 4: Simplify right side
177,147,272.20x = 32,328,889,614,062,724 - Step 5: Solve for x
x = 32,328,889,614,062,724/177,147,272.20 - Step 6: Final answer
x = 182,497,247.70
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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.