Finding the Fourth Proportional to 202,498,395.21, 279,453,523.28 and 114,396,120.81
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Solution
The fourth proportional to 202,498,395.21, 279,453,523.28 and 114,396,120.81 is: 157,869,888.18
Step by Step Solution
- Step 1: Write the proportion equation
202,498,395.21 : 279,453,523.28 = 114,396,120.81 : x - Step 2: Convert to fraction form
202,498,395.21/279,453,523.28 = 114,396,120.81/x - Step 3: Cross multiply
202,498,395.21x = 279,453,523.28 × 114,396,120.81 - Step 4: Simplify right side
202,498,395.21x = 31,968,399,009,347,044 - Step 5: Solve for x
x = 31,968,399,009,347,044/202,498,395.21 - Step 6: Final answer
x = 157,869,888.18
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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.