Finding the Fourth Proportional to 50,383,534.80, 75,463,327.80 and 38,987,029.20
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Solution
The fourth proportional to 50,383,534.80, 75,463,327.80 and 38,987,029.20 is: 58,393,897.45
Step by Step Solution
- Step 1: Write the proportion equation
50,383,534.80 : 75,463,327.80 = 38,987,029.20 : x - Step 2: Convert to fraction form
50,383,534.80/75,463,327.80 = 38,987,029.20/x - Step 3: Cross multiply
50,383,534.80x = 75,463,327.80 × 38,987,029.20 - Step 4: Simplify right side
50,383,534.80x = 2,942,090,964,467,772 - Step 5: Solve for x
x = 2,942,090,964,467,772/50,383,534.80 - Step 6: Final answer
x = 58,393,897.45
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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.