Finding the Fourth Proportional to 86,263,713.49, 129,352,301.11 and 28,735,759.57
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Solution
The fourth proportional to 86,263,713.49, 129,352,301.11 and 28,735,759.57 is: 43,089,225.75
Step by Step Solution
- Step 1: Write the proportion equation
86,263,713.49 : 129,352,301.11 = 28,735,759.57 : x - Step 2: Convert to fraction form
86,263,713.49/129,352,301.11 = 28,735,759.57/x - Step 3: Cross multiply
86,263,713.49x = 129,352,301.11 × 28,735,759.57 - Step 4: Simplify right side
86,263,713.49x = 3,717,036,624,523,204 - Step 5: Solve for x
x = 3,717,036,624,523,204/86,263,713.49 - Step 6: Final answer
x = 43,089,225.75
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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.