Finding the Fourth Proportional to 136,274,664.99, 188,058,081 and 74,395,003.56
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Solution
The fourth proportional to 136,274,664.99, 188,058,081 and 74,395,003.56 is: 102,664,582.64
Step by Step Solution
- Step 1: Write the proportion equation
136,274,664.99 : 188,058,081 = 74,395,003.56 : x - Step 2: Convert to fraction form
136,274,664.99/188,058,081 = 74,395,003.56/x - Step 3: Cross multiply
136,274,664.99x = 188,058,081 × 74,395,003.56 - Step 4: Simplify right side
136,274,664.99x = 13,990,581,605,481,768 - Step 5: Solve for x
x = 13,990,581,605,481,768/136,274,664.99 - Step 6: Final answer
x = 102,664,582.64
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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.