Finding the Fourth Proportional to 135,259,825.44, 186,658,626.76 and 73,380,147.60
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Solution
The fourth proportional to 135,259,825.44, 186,658,626.76 and 73,380,147.60 is: 101,264,640.39
Step by Step Solution
- Step 1: Write the proportion equation
135,259,825.44 : 186,658,626.76 = 73,380,147.60 : x - Step 2: Convert to fraction form
135,259,825.44/186,658,626.76 = 73,380,147.60/x - Step 3: Cross multiply
135,259,825.44x = 186,658,626.76 × 73,380,147.60 - Step 4: Simplify right side
135,259,825.44x = 13,697,037,582,462,108 - Step 5: Solve for x
x = 13,697,037,582,462,108/135,259,825.44 - Step 6: Final answer
x = 101,264,640.39
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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.