Finding the Fourth Proportional to 68,351,870.87, 102,528,072.30 and 16,536,390.38
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Solution
The fourth proportional to 68,351,870.87, 102,528,072.30 and 16,536,390.38 is: 24,804,649.92
Step by Step Solution
- Step 1: Write the proportion equation
68,351,870.87 : 102,528,072.30 = 16,536,390.38 : x - Step 2: Convert to fraction form
68,351,870.87/102,528,072.30 = 16,536,390.38/x - Step 3: Cross multiply
68,351,870.87x = 102,528,072.30 × 16,536,390.38 - Step 4: Simplify right side
68,351,870.87x = 1,695,444,228,378,982.75 - Step 5: Solve for x
x = 1,695,444,228,378,982.75/68,351,870.87 - Step 6: Final answer
x = 24,804,649.92
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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.