Finding the Fourth Proportional to 171,188,475.25, 236,240,553.75 and 92,872,028.75
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Solution
The fourth proportional to 171,188,475.25, 236,240,553.75 and 92,872,028.75 is: 128,163,648.09
Step by Step Solution
- Step 1: Write the proportion equation
171,188,475.25 : 236,240,553.75 = 92,872,028.75 : x - Step 2: Convert to fraction form
171,188,475.25/236,240,553.75 = 92,872,028.75/x - Step 3: Cross multiply
171,188,475.25x = 236,240,553.75 × 92,872,028.75 - Step 4: Simplify right side
171,188,475.25x = 21,940,139,499,785,920 - Step 5: Solve for x
x = 21,940,139,499,785,920/171,188,475.25 - Step 6: Final answer
x = 128,163,648.09
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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.