Finding the Fourth Proportional to 146,154,907.36, 219,235,918.56 and 49,112,021.44
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Solution
The fourth proportional to 146,154,907.36, 219,235,918.56 and 49,112,021.44 is: 73,669,227.58
Step by Step Solution
- Step 1: Write the proportion equation
146,154,907.36 : 219,235,918.56 = 49,112,021.44 : x - Step 2: Convert to fraction form
146,154,907.36/219,235,918.56 = 49,112,021.44/x - Step 3: Cross multiply
146,154,907.36x = 219,235,918.56 × 49,112,021.44 - Step 4: Simplify right side
146,154,907.36x = 10,767,119,132,736,814 - Step 5: Solve for x
x = 10,767,119,132,736,814/146,154,907.36 - Step 6: Final answer
x = 73,669,227.58
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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.