Finding the Fourth Proportional to 72,935,083.20, 100,690,725.60 and 48,524,664
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Solution
The fourth proportional to 72,935,083.20, 100,690,725.60 and 48,524,664 is: 66,990,855.61
Step by Step Solution
- Step 1: Write the proportion equation
72,935,083.20 : 100,690,725.60 = 48,524,664 : x - Step 2: Convert to fraction form
72,935,083.20/100,690,725.60 = 48,524,664/x - Step 3: Cross multiply
72,935,083.20x = 100,690,725.60 × 48,524,664 - Step 4: Simplify right side
72,935,083.20x = 4,885,983,627,656,198 - Step 5: Solve for x
x = 4,885,983,627,656,198/72,935,083.20 - Step 6: Final answer
x = 66,990,855.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.