Finding the Fourth Proportional to 83,394,263.48, 115,083,884.36 and 45,717,360.12
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Solution
The fourth proportional to 83,394,263.48, 115,083,884.36 and 45,717,360.12 is: 63,089,847.74
Step by Step Solution
- Step 1: Write the proportion equation
83,394,263.48 : 115,083,884.36 = 45,717,360.12 : x - Step 2: Convert to fraction form
83,394,263.48/115,083,884.36 = 45,717,360.12/x - Step 3: Cross multiply
83,394,263.48x = 115,083,884.36 × 45,717,360.12 - Step 4: Simplify right side
83,394,263.48x = 5,261,331,385,408,849 - Step 5: Solve for x
x = 5,261,331,385,408,849/83,394,263.48 - Step 6: Final answer
x = 63,089,847.74
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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.