Finding the Fourth Proportional to 176,313,939.20, 264,470,908.80 and 74,043,987.20
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Solution
The fourth proportional to 176,313,939.20, 264,470,908.80 and 74,043,987.20 is: 111,065,980.80
Step by Step Solution
- Step 1: Write the proportion equation
176,313,939.20 : 264,470,908.80 = 74,043,987.20 : x - Step 2: Convert to fraction form
176,313,939.20/264,470,908.80 = 74,043,987.20/x - Step 3: Cross multiply
176,313,939.20x = 264,470,908.80 × 74,043,987.20 - Step 4: Simplify right side
176,313,939.20x = 19,582,480,585,959,568 - Step 5: Solve for x
x = 19,582,480,585,959,568/176,313,939.20 - Step 6: Final answer
x = 111,065,980.80
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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.