Finding the Fourth Proportional to 205,434,226.28, 307,958,442.78 and 69,024,212.84
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Solution
The fourth proportional to 205,434,226.28, 307,958,442.78 and 69,024,212.84 is: 103,471,507.57
Step by Step Solution
- Step 1: Write the proportion equation
205,434,226.28 : 307,958,442.78 = 69,024,212.84 : x - Step 2: Convert to fraction form
205,434,226.28/307,958,442.78 = 69,024,212.84/x - Step 3: Cross multiply
205,434,226.28x = 307,958,442.78 × 69,024,212.84 - Step 4: Simplify right side
205,434,226.28x = 21,256,589,100,321,680 - Step 5: Solve for x
x = 21,256,589,100,321,680/205,434,226.28 - Step 6: Final answer
x = 103,471,507.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.