Finding the Fourth Proportional to 141,937,928.65, 195,866,168.20 and 79,209,107.02
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Solution
The fourth proportional to 141,937,928.65, 195,866,168.20 and 79,209,107.02 is: 109,304,006.52
Step by Step Solution
- Step 1: Write the proportion equation
141,937,928.65 : 195,866,168.20 = 79,209,107.02 : x - Step 2: Convert to fraction form
141,937,928.65/195,866,168.20 = 79,209,107.02/x - Step 3: Cross multiply
141,937,928.65x = 195,866,168.20 × 79,209,107.02 - Step 4: Simplify right side
141,937,928.65x = 15,514,384,278,551,120 - Step 5: Solve for x
x = 15,514,384,278,551,120/141,937,928.65 - Step 6: Final answer
x = 109,304,006.52
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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.