Finding the Fourth Proportional to 39,526,032,249.21, 54,544,394,659.26 and 21,461,134,995
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Solution
The fourth proportional to 39,526,032,249.21, 54,544,394,659.26 and 21,461,134,995 is: 29,615,535,645.53
Step by Step Solution
- Step 1: Write the proportion equation
39,526,032,249.21 : 54,544,394,659.26 = 21,461,134,995 : x - Step 2: Convert to fraction form
39,526,032,249.21/54,544,394,659.26 = 21,461,134,995/x - Step 3: Cross multiply
39,526,032,249.21x = 54,544,394,659.26 × 21,461,134,995 - Step 4: Simplify right side
39,526,032,249.21x = 1,170,584,617,002,935,910,400 - Step 5: Solve for x
x = 1,170,584,617,002,935,910,400/39,526,032,249.21 - Step 6: Final answer
x = 29,615,535,645.53
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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.