Finding the Fourth Proportional to 202,462,519.56, 279,396,816.58 and 109,640,874.12
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Solution
The fourth proportional to 202,462,519.56, 279,396,816.58 and 109,640,874.12 is: 151,303,615.42
Step by Step Solution
- Step 1: Write the proportion equation
202,462,519.56 : 279,396,816.58 = 109,640,874.12 : x - Step 2: Convert to fraction form
202,462,519.56/279,396,816.58 = 109,640,874.12/x - Step 3: Cross multiply
202,462,519.56x = 279,396,816.58 × 109,640,874.12 - Step 4: Simplify right side
202,462,519.56x = 30,633,311,196,176,508 - Step 5: Solve for x
x = 30,633,311,196,176,508/202,462,519.56 - Step 6: Final answer
x = 151,303,615.42
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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.