Finding the Fourth Proportional to 229,849,396.79, 317,198,866.66 and 125,434,194.08
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Solution
The fourth proportional to 229,849,396.79, 317,198,866.66 and 125,434,194.08 is: 173,102,843.68
Step by Step Solution
- Step 1: Write the proportion equation
229,849,396.79 : 317,198,866.66 = 125,434,194.08 : x - Step 2: Convert to fraction form
229,849,396.79/317,198,866.66 = 125,434,194.08/x - Step 3: Cross multiply
229,849,396.79x = 317,198,866.66 × 125,434,194.08 - Step 4: Simplify right side
229,849,396.79x = 39,787,584,200,686,904 - Step 5: Solve for x
x = 39,787,584,200,686,904/229,849,396.79 - Step 6: Final answer
x = 173,102,843.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.