Finding the Fourth Proportional to 157,564,219.13, 217,474,902.11 and 92,395,118.33
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Solution
The fourth proportional to 157,564,219.13, 217,474,902.11 and 92,395,118.33 is: 127,526,537.59
Step by Step Solution
- Step 1: Write the proportion equation
157,564,219.13 : 217,474,902.11 = 92,395,118.33 : x - Step 2: Convert to fraction form
157,564,219.13/217,474,902.11 = 92,395,118.33/x - Step 3: Cross multiply
157,564,219.13x = 217,474,902.11 × 92,395,118.33 - Step 4: Simplify right side
157,564,219.13x = 20,093,619,313,796,640 - Step 5: Solve for x
x = 20,093,619,313,796,640/157,564,219.13 - Step 6: Final answer
x = 127,526,537.59
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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.