Finding the Fourth Proportional to 85,357,302.26, 117,780,539.60 and 47,675,823.08
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Solution
The fourth proportional to 85,357,302.26, 117,780,539.60 and 47,675,823.08 is: 65,785,633.09
Step by Step Solution
- Step 1: Write the proportion equation
85,357,302.26 : 117,780,539.60 = 47,675,823.08 : x - Step 2: Convert to fraction form
85,357,302.26/117,780,539.60 = 47,675,823.08/x - Step 3: Cross multiply
85,357,302.26x = 117,780,539.60 × 47,675,823.08 - Step 4: Simplify right side
85,357,302.26x = 5,615,284,167,766,821 - Step 5: Solve for x
x = 5,615,284,167,766,821/85,357,302.26 - Step 6: Final answer
x = 65,785,633.09
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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.