Finding the Fourth Proportional to 65,707,981.99, 98,554,442.68 and 17,190,517.75
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Solution
The fourth proportional to 65,707,981.99, 98,554,442.68 and 17,190,517.75 is: 25,783,806.55
Step by Step Solution
- Step 1: Write the proportion equation
65,707,981.99 : 98,554,442.68 = 17,190,517.75 : x - Step 2: Convert to fraction form
65,707,981.99/98,554,442.68 = 17,190,517.75/x - Step 3: Cross multiply
65,707,981.99x = 98,554,442.68 × 17,190,517.75 - Step 4: Simplify right side
65,707,981.99x = 1,694,201,896,231,897.75 - Step 5: Solve for x
x = 1,694,201,896,231,897.75/65,707,981.99 - Step 6: Final answer
x = 25,783,806.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.