Finding the Fourth Proportional to 192,421,761.12, 288,601,917.12 and 56,075,251.68
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Solution
The fourth proportional to 192,421,761.12, 288,601,917.12 and 56,075,251.68 is: 84,103,923.82
Step by Step Solution
- Step 1: Write the proportion equation
192,421,761.12 : 288,601,917.12 = 56,075,251.68 : x - Step 2: Convert to fraction form
192,421,761.12/288,601,917.12 = 56,075,251.68/x - Step 3: Cross multiply
192,421,761.12x = 288,601,917.12 × 56,075,251.68 - Step 4: Simplify right side
192,421,761.12x = 16,183,425,137,834,500 - Step 5: Solve for x
x = 16,183,425,137,834,500/192,421,761.12 - Step 6: Final answer
x = 84,103,923.82
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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.