Finding the Fourth Proportional to 147,569,138.37, 221,205,568.41 and 50,458,432.37
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Solution
The fourth proportional to 147,569,138.37, 221,205,568.41 and 50,458,432.37 is: 75,636,995.21
Step by Step Solution
- Step 1: Write the proportion equation
147,569,138.37 : 221,205,568.41 = 50,458,432.37 : x - Step 2: Convert to fraction form
147,569,138.37/221,205,568.41 = 50,458,432.37/x - Step 3: Cross multiply
147,569,138.37x = 221,205,568.41 × 50,458,432.37 - Step 4: Simplify right side
147,569,138.37x = 11,161,686,212,377,366 - Step 5: Solve for x
x = 11,161,686,212,377,366/147,569,138.37 - Step 6: Final answer
x = 75,636,995.21
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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.