Finding the Fourth Proportional to 229,725,971.84, 317,022,838.72 and 125,306,286.08
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Solution
The fourth proportional to 229,725,971.84, 317,022,838.72 and 125,306,286.08 is: 172,923,218.93
Step by Step Solution
- Step 1: Write the proportion equation
229,725,971.84 : 317,022,838.72 = 125,306,286.08 : x - Step 2: Convert to fraction form
229,725,971.84/317,022,838.72 = 125,306,286.08/x - Step 3: Cross multiply
229,725,971.84x = 317,022,838.72 × 125,306,286.08 - Step 4: Simplify right side
229,725,971.84x = 39,724,954,522,542,024 - Step 5: Solve for x
x = 39,724,954,522,542,024/229,725,971.84 - Step 6: Final answer
x = 172,923,218.93
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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.