Finding the Fourth Proportional to 85,261,653.20, 117,653,973.36 and 48,089,884.88
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Solution
The fourth proportional to 85,261,653.20, 117,653,973.36 and 48,089,884.88 is: 66,360,032.00
Step by Step Solution
- Step 1: Write the proportion equation
85,261,653.20 : 117,653,973.36 = 48,089,884.88 : x - Step 2: Convert to fraction form
85,261,653.20/117,653,973.36 = 48,089,884.88/x - Step 3: Cross multiply
85,261,653.20x = 117,653,973.36 × 48,089,884.88 - Step 4: Simplify right side
85,261,653.20x = 5,657,966,034,556,987 - Step 5: Solve for x
x = 5,657,966,034,556,987/85,261,653.20 - Step 6: Final answer
x = 66,360,032.00
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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.