Finding the Fourth Proportional to 231,835,393.80, 347,753,090.70 and 124,339,969.80
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Solution
The fourth proportional to 231,835,393.80, 347,753,090.70 and 124,339,969.80 is: 186,509,954.70
Step by Step Solution
- Step 1: Write the proportion equation
231,835,393.80 : 347,753,090.70 = 124,339,969.80 : x - Step 2: Convert to fraction form
231,835,393.80/347,753,090.70 = 124,339,969.80/x - Step 3: Cross multiply
231,835,393.80x = 347,753,090.70 × 124,339,969.80 - Step 4: Simplify right side
231,835,393.80x = 43,239,608,795,494,656 - Step 5: Solve for x
x = 43,239,608,795,494,656/231,835,393.80 - Step 6: Final answer
x = 186,509,954.70
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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.