Finding the Fourth Proportional to 150,365,247.75, 207,115,907.72 and 106,235,640.99
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Solution
The fourth proportional to 150,365,247.75, 207,115,907.72 and 106,235,640.99 is: 146,330,961.07
Step by Step Solution
- Step 1: Write the proportion equation
150,365,247.75 : 207,115,907.72 = 106,235,640.99 : x - Step 2: Convert to fraction form
150,365,247.75/207,115,907.72 = 106,235,640.99/x - Step 3: Cross multiply
150,365,247.75x = 207,115,907.72 × 106,235,640.99 - Step 4: Simplify right side
150,365,247.75x = 22,003,091,215,328,712 - Step 5: Solve for x
x = 22,003,091,215,328,712/150,365,247.75 - Step 6: Final answer
x = 146,330,961.07
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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.