Finding the Fourth Proportional to 83,394,258.43, 115,083,877.39 and 45,717,355.07
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Solution
The fourth proportional to 83,394,258.43, 115,083,877.39 and 45,717,355.07 is: 63,089,840.78
Step by Step Solution
- Step 1: Write the proportion equation
83,394,258.43 : 115,083,877.39 = 45,717,355.07 : x - Step 2: Convert to fraction form
83,394,258.43/115,083,877.39 = 45,717,355.07/x - Step 3: Cross multiply
83,394,258.43x = 115,083,877.39 × 45,717,355.07 - Step 4: Simplify right side
83,394,258.43x = 5,261,330,486,117,106 - Step 5: Solve for x
x = 5,261,330,486,117,106/83,394,258.43 - Step 6: Final answer
x = 63,089,840.78
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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.