Finding the Fourth Proportional to 238,472,287.36, 357,707,984.58 and 74,722,579.72
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Solution
The fourth proportional to 238,472,287.36, 357,707,984.58 and 74,722,579.72 is: 112,083,729.69
Step by Step Solution
- Step 1: Write the proportion equation
238,472,287.36 : 357,707,984.58 = 74,722,579.72 : x - Step 2: Convert to fraction form
238,472,287.36/357,707,984.58 = 74,722,579.72/x - Step 3: Cross multiply
238,472,287.36x = 357,707,984.58 × 74,722,579.72 - Step 4: Simplify right side
238,472,287.36x = 26,728,863,394,259,580 - Step 5: Solve for x
x = 26,728,863,394,259,580/238,472,287.36 - Step 6: Final answer
x = 112,083,729.69
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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.