Finding the Fourth Proportional to 85,590,235.48, 118,104,560.28 and 47,915,462.44
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Solution
The fourth proportional to 85,590,235.48, 118,104,560.28 and 47,915,462.44 is: 66,117,759.70
Step by Step Solution
- Step 1: Write the proportion equation
85,590,235.48 : 118,104,560.28 = 47,915,462.44 : x - Step 2: Convert to fraction form
85,590,235.48/118,104,560.28 = 47,915,462.44/x - Step 3: Cross multiply
85,590,235.48x = 118,104,560.28 × 47,915,462.44 - Step 4: Simplify right side
85,590,235.48x = 5,659,034,622,089,056 - Step 5: Solve for x
x = 5,659,034,622,089,056/85,590,235.48 - Step 6: Final answer
x = 66,117,759.70
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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.