Finding the Fourth Proportional to 117,877,023.80, 176,815,535.70 and 60,481,395.80
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Solution
The fourth proportional to 117,877,023.80, 176,815,535.70 and 60,481,395.80 is: 90,722,093.70
Step by Step Solution
- Step 1: Write the proportion equation
117,877,023.80 : 176,815,535.70 = 60,481,395.80 : x - Step 2: Convert to fraction form
117,877,023.80/176,815,535.70 = 60,481,395.80/x - Step 3: Cross multiply
117,877,023.80x = 176,815,535.70 × 60,481,395.80 - Step 4: Simplify right side
117,877,023.80x = 10,694,050,398,260,728 - Step 5: Solve for x
x = 10,694,050,398,260,728/117,877,023.80 - Step 6: Final answer
x = 90,722,093.70
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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.