Finding the Fourth Proportional to 73,511,321.20, 110,266,981.80 and 48,852,458.80
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Solution
The fourth proportional to 73,511,321.20, 110,266,981.80 and 48,852,458.80 is: 73,278,688.20
Step by Step Solution
- Step 1: Write the proportion equation
73,511,321.20 : 110,266,981.80 = 48,852,458.80 : x - Step 2: Convert to fraction form
73,511,321.20/110,266,981.80 = 48,852,458.80/x - Step 3: Cross multiply
73,511,321.20x = 110,266,981.80 × 48,852,458.80 - Step 4: Simplify right side
73,511,321.20x = 5,386,813,185,384,849 - Step 5: Solve for x
x = 5,386,813,185,384,849/73,511,321.20 - Step 6: Final answer
x = 73,278,688.20
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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.