Finding the Fourth Proportional to 51,204,306.95, 76,806,538.34 and 20,912,169.95
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Solution
The fourth proportional to 51,204,306.95, 76,806,538.34 and 20,912,169.95 is: 31,368,286.75
Step by Step Solution
- Step 1: Write the proportion equation
51,204,306.95 : 76,806,538.34 = 20,912,169.95 : x - Step 2: Convert to fraction form
51,204,306.95/76,806,538.34 = 20,912,169.95/x - Step 3: Cross multiply
51,204,306.95x = 76,806,538.34 × 20,912,169.95 - Step 4: Simplify right side
51,204,306.95x = 1,606,191,382,954,333 - Step 5: Solve for x
x = 1,606,191,382,954,333/51,204,306.95 - Step 6: Final answer
x = 31,368,286.75
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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.