Finding the Fourth Proportional to 40,819,351.36, 61,229,111.28 and 38,325,121.60
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Solution
The fourth proportional to 40,819,351.36, 61,229,111.28 and 38,325,121.60 is: 57,487,761.49
Step by Step Solution
- Step 1: Write the proportion equation
40,819,351.36 : 61,229,111.28 = 38,325,121.60 : x - Step 2: Convert to fraction form
40,819,351.36/61,229,111.28 = 38,325,121.60/x - Step 3: Cross multiply
40,819,351.36x = 61,229,111.28 × 38,325,121.60 - Step 4: Simplify right side
40,819,351.36x = 2,346,613,135,265,932 - Step 5: Solve for x
x = 2,346,613,135,265,932/40,819,351.36 - Step 6: Final answer
x = 57,487,761.49
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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.