Finding the Fourth Proportional to 69,162,139.29, 103,727,928.84 and 19,967,306.79
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Solution
The fourth proportional to 69,162,139.29, 103,727,928.84 and 19,967,306.79 is: 29,946,548.78
Step by Step Solution
- Step 1: Write the proportion equation
69,162,139.29 : 103,727,928.84 = 19,967,306.79 : x - Step 2: Convert to fraction form
69,162,139.29/103,727,928.84 = 19,967,306.79/x - Step 3: Cross multiply
69,162,139.29x = 103,727,928.84 × 19,967,306.79 - Step 4: Simplify right side
69,162,139.29x = 2,071,167,377,839,568.75 - Step 5: Solve for x
x = 2,071,167,377,839,568.75/69,162,139.29 - Step 6: Final answer
x = 29,946,548.78
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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.