Finding the Fourth Proportional to 62,424,865.68, 86,089,406.76 and 53,601,559.44
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Solution
The fourth proportional to 62,424,865.68, 86,089,406.76 and 53,601,559.44 is: 73,921,287.67
Step by Step Solution
- Step 1: Write the proportion equation
62,424,865.68 : 86,089,406.76 = 53,601,559.44 : x - Step 2: Convert to fraction form
62,424,865.68/86,089,406.76 = 53,601,559.44/x - Step 3: Cross multiply
62,424,865.68x = 86,089,406.76 × 53,601,559.44 - Step 4: Simplify right side
62,424,865.68x = 4,614,526,453,600,478 - Step 5: Solve for x
x = 4,614,526,453,600,478/62,424,865.68 - Step 6: Final answer
x = 73,921,287.67
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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.