Finding the Fourth Proportional to 115,684,112.76, 159,644,058.27 and 66,125,550.59
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Solution
The fourth proportional to 115,684,112.76, 159,644,058.27 and 66,125,550.59 is: 91,253,249.90
Step by Step Solution
- Step 1: Write the proportion equation
115,684,112.76 : 159,644,058.27 = 66,125,550.59 : x - Step 2: Convert to fraction form
115,684,112.76/159,644,058.27 = 66,125,550.59/x - Step 3: Cross multiply
115,684,112.76x = 159,644,058.27 × 66,125,550.59 - Step 4: Simplify right side
115,684,112.76x = 10,556,551,251,078,268 - Step 5: Solve for x
x = 10,556,551,251,078,268/115,684,112.76 - Step 6: Final answer
x = 91,253,249.90
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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.