Finding the Fourth Proportional to 144,036,393.27, 216,063,873.84 and 50,651,908.80
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Solution
The fourth proportional to 144,036,393.27, 216,063,873.84 and 50,651,908.80 is: 75,981,127.99
Step by Step Solution
- Step 1: Write the proportion equation
144,036,393.27 : 216,063,873.84 = 50,651,908.80 : x - Step 2: Convert to fraction form
144,036,393.27/216,063,873.84 = 50,651,908.80/x - Step 3: Cross multiply
144,036,393.27x = 216,063,873.84 × 50,651,908.80 - Step 4: Simplify right side
144,036,393.27x = 10,944,047,632,718,386 - Step 5: Solve for x
x = 10,944,047,632,718,386/144,036,393.27 - Step 6: Final answer
x = 75,981,127.99
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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.