Finding the Fourth Proportional to 51,675,131.97, 77,510,120.91 and 19,324,656.18
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Solution
The fourth proportional to 51,675,131.97, 77,510,120.91 and 19,324,656.18 is: 28,986,020.55
Step by Step Solution
- Step 1: Write the proportion equation
51,675,131.97 : 77,510,120.91 = 19,324,656.18 : x - Step 2: Convert to fraction form
51,675,131.97/77,510,120.91 = 19,324,656.18/x - Step 3: Cross multiply
51,675,131.97x = 77,510,120.91 × 19,324,656.18 - Step 4: Simplify right side
51,675,131.97x = 1,497,856,437,055,978.75 - Step 5: Solve for x
x = 1,497,856,437,055,978.75/51,675,131.97 - Step 6: Final answer
x = 28,986,020.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.