Finding the Fourth Proportional to 171,101,440.36, 236,120,050.46 and 92,784,973.09
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Solution
The fourth proportional to 171,101,440.36, 236,120,050.46 and 92,784,973.09 is: 128,043,296.90
Step by Step Solution
- Step 1: Write the proportion equation
171,101,440.36 : 236,120,050.46 = 92,784,973.09 : x - Step 2: Convert to fraction form
171,101,440.36/236,120,050.46 = 92,784,973.09/x - Step 3: Cross multiply
171,101,440.36x = 236,120,050.46 × 92,784,973.09 - Step 4: Simplify right side
171,101,440.36x = 21,908,392,527,940,544 - Step 5: Solve for x
x = 21,908,392,527,940,544/171,101,440.36 - Step 6: Final answer
x = 128,043,296.90
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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.