Finding the Fourth Proportional to 85,982,727.99, 118,650,789.86 and 47,351,559.99
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Solution
The fourth proportional to 85,982,727.99, 118,650,789.86 and 47,351,559.99 is: 65,342,192.85
Step by Step Solution
- Step 1: Write the proportion equation
85,982,727.99 : 118,650,789.86 = 47,351,559.99 : x - Step 2: Convert to fraction form
85,982,727.99/118,650,789.86 = 47,351,559.99/x - Step 3: Cross multiply
85,982,727.99x = 118,650,789.86 × 47,351,559.99 - Step 4: Simplify right side
85,982,727.99x = 5,618,299,993,679,916 - Step 5: Solve for x
x = 5,618,299,993,679,916/85,982,727.99 - Step 6: Final answer
x = 65,342,192.85
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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.