Finding the Fourth Proportional to 258,299,850.24, 387,449,804.52 and 104,946,010.56
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Solution
The fourth proportional to 258,299,850.24, 387,449,804.52 and 104,946,010.56 is: 157,419,027.69
Step by Step Solution
- Step 1: Write the proportion equation
258,299,850.24 : 387,449,804.52 = 104,946,010.56 : x - Step 2: Convert to fraction form
258,299,850.24/387,449,804.52 = 104,946,010.56/x - Step 3: Cross multiply
258,299,850.24x = 387,449,804.52 × 104,946,010.56 - Step 4: Simplify right side
258,299,850.24x = 40,661,311,276,625,856 - Step 5: Solve for x
x = 40,661,311,276,625,856/258,299,850.24 - Step 6: Final answer
x = 157,419,027.69
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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.