Finding the Fourth Proportional to 73,847,465.57, 110,775,922.07 and 28,409,260.07
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Solution
The fourth proportional to 73,847,465.57, 110,775,922.07 and 28,409,260.07 is: 42,615,707.32
Step by Step Solution
- Step 1: Write the proportion equation
73,847,465.57 : 110,775,922.07 = 28,409,260.07 : x - Step 2: Convert to fraction form
73,847,465.57/110,775,922.07 = 28,409,260.07/x - Step 3: Cross multiply
73,847,465.57x = 110,775,922.07 × 28,409,260.07 - Step 4: Simplify right side
73,847,465.57x = 3,147,061,978,884,757 - Step 5: Solve for x
x = 3,147,061,978,884,757/73,847,465.57 - Step 6: Final answer
x = 42,615,707.32
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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.