Finding the Fourth Proportional to 83,394,272.48, 115,083,896.76 and 45,717,369.12
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Solution
The fourth proportional to 83,394,272.48, 115,083,896.76 and 45,717,369.12 is: 63,089,860.15
Step by Step Solution
- Step 1: Write the proportion equation
83,394,272.48 : 115,083,896.76 = 45,717,369.12 : x - Step 2: Convert to fraction form
83,394,272.48/115,083,896.76 = 45,717,369.12/x - Step 3: Cross multiply
83,394,272.48x = 115,083,896.76 × 45,717,369.12 - Step 4: Simplify right side
83,394,272.48x = 5,261,332,987,944,892 - Step 5: Solve for x
x = 5,261,332,987,944,892/83,394,272.48 - Step 6: Final answer
x = 63,089,860.15
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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.