Finding the Fourth Proportional to 192,456,008.70, 288,684,013.05 and 84,960,584.70
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Solution
The fourth proportional to 192,456,008.70, 288,684,013.05 and 84,960,584.70 is: 127,440,877.05
Step by Step Solution
- Step 1: Write the proportion equation
192,456,008.70 : 288,684,013.05 = 84,960,584.70 : x - Step 2: Convert to fraction form
192,456,008.70/288,684,013.05 = 84,960,584.70/x - Step 3: Cross multiply
192,456,008.70x = 288,684,013.05 × 84,960,584.70 - Step 4: Simplify right side
192,456,008.70x = 24,526,762,542,270,432 - Step 5: Solve for x
x = 24,526,762,542,270,432/192,456,008.70 - Step 6: Final answer
x = 127,440,877.05
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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.