Finding the Fourth Proportional to 212,593,201.28, 293,378,621.44 and 114,808,057.28
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Solution
The fourth proportional to 212,593,201.28, 293,378,621.44 and 114,808,057.28 is: 158,435,121.03
Step by Step Solution
- Step 1: Write the proportion equation
212,593,201.28 : 293,378,621.44 = 114,808,057.28 : x - Step 2: Convert to fraction form
212,593,201.28/293,378,621.44 = 114,808,057.28/x - Step 3: Cross multiply
212,593,201.28x = 293,378,621.44 × 114,808,057.28 - Step 4: Simplify right side
212,593,201.28x = 33,682,229,575,010,956 - Step 5: Solve for x
x = 33,682,229,575,010,956/212,593,201.28 - Step 6: Final answer
x = 158,435,121.03
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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.