Finding the Fourth Proportional to 150,536,469.09, 207,353,264.79 and 106,407,601.35
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Solution
The fourth proportional to 150,536,469.09, 207,353,264.79 and 106,407,601.35 is: 146,568,892.39
Step by Step Solution
- Step 1: Write the proportion equation
150,536,469.09 : 207,353,264.79 = 106,407,601.35 : x - Step 2: Convert to fraction form
150,536,469.09/207,353,264.79 = 106,407,601.35/x - Step 3: Cross multiply
150,536,469.09x = 207,353,264.79 × 106,407,601.35 - Step 4: Simplify right side
150,536,469.09x = 22,063,963,538,395,308 - Step 5: Solve for x
x = 22,063,963,538,395,308/150,536,469.09 - Step 6: Final answer
x = 146,568,892.39
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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.