Finding the Fourth Proportional to 218,246,951.75, 301,135,833.47 and 125,409,523.46
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Solution
The fourth proportional to 218,246,951.75, 301,135,833.47 and 125,409,523.46 is: 173,039,307.39
Step by Step Solution
- Step 1: Write the proportion equation
218,246,951.75 : 301,135,833.47 = 125,409,523.46 : x - Step 2: Convert to fraction form
218,246,951.75/301,135,833.47 = 125,409,523.46/x - Step 3: Cross multiply
218,246,951.75x = 301,135,833.47 × 125,409,523.46 - Step 4: Simplify right side
218,246,951.75x = 37,765,301,371,010,464 - Step 5: Solve for x
x = 37,765,301,371,010,464/218,246,951.75 - Step 6: Final answer
x = 173,039,307.39
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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.