Finding the Fourth Proportional to 85,261,652.20, 117,653,971.99 and 48,089,883.88
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Solution
The fourth proportional to 85,261,652.20, 117,653,971.99 and 48,089,883.88 is: 66,360,030.62
Step by Step Solution
- Step 1: Write the proportion equation
85,261,652.20 : 117,653,971.99 = 48,089,883.88 : x - Step 2: Convert to fraction form
85,261,652.20/117,653,971.99 = 48,089,883.88/x - Step 3: Cross multiply
85,261,652.20x = 117,653,971.99 × 48,089,883.88 - Step 4: Simplify right side
85,261,652.20x = 5,657,965,850,191,153 - Step 5: Solve for x
x = 5,657,965,850,191,153/85,261,652.20 - Step 6: Final answer
x = 66,360,030.62
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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.