Finding the Fourth Proportional to 85,982,734.99, 118,650,799.50 and 47,351,566.99
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Solution
The fourth proportional to 85,982,734.99, 118,650,799.50 and 47,351,566.99 is: 65,342,202.50
Step by Step Solution
- Step 1: Write the proportion equation
85,982,734.99 : 118,650,799.50 = 47,351,566.99 : x - Step 2: Convert to fraction form
85,982,734.99/118,650,799.50 = 47,351,566.99/x - Step 3: Cross multiply
85,982,734.99x = 118,650,799.50 × 47,351,566.99 - Step 4: Simplify right side
85,982,734.99x = 5,618,301,280,941,309 - Step 5: Solve for x
x = 5,618,301,280,941,309/85,982,734.99 - Step 6: Final answer
x = 65,342,202.50
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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.