Finding the Fourth Proportional to 45,073,471.78, 62,201,395.16 and 25,493,938.75
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Solution
The fourth proportional to 45,073,471.78, 62,201,395.16 and 25,493,938.75 is: 35,181,637.80
Step by Step Solution
- Step 1: Write the proportion equation
45,073,471.78 : 62,201,395.16 = 25,493,938.75 : x - Step 2: Convert to fraction form
45,073,471.78/62,201,395.16 = 25,493,938.75/x - Step 3: Cross multiply
45,073,471.78x = 62,201,395.16 × 25,493,938.75 - Step 4: Simplify right side
45,073,471.78x = 1,585,758,558,419,470.75 - Step 5: Solve for x
x = 1,585,758,558,419,470.75/45,073,471.78 - Step 6: Final answer
x = 35,181,637.80
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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.