Finding the Fourth Proportional to 83,394,262.94, 115,083,883.60 and 45,717,359.58
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Solution
The fourth proportional to 83,394,262.94, 115,083,883.60 and 45,717,359.58 is: 63,089,846.99
Step by Step Solution
- Step 1: Write the proportion equation
83,394,262.94 : 115,083,883.60 = 45,717,359.58 : x - Step 2: Convert to fraction form
83,394,262.94/115,083,883.60 = 45,717,359.58/x - Step 3: Cross multiply
83,394,262.94x = 115,083,883.60 × 45,717,359.58 - Step 4: Simplify right side
83,394,262.94x = 5,261,331,288,404,064 - Step 5: Solve for x
x = 5,261,331,288,404,064/83,394,262.94 - Step 6: Final answer
x = 63,089,846.99
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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.