Finding the Fourth Proportional to 146,665,927.80, 219,998,891.70 and 38,960,551.80
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Solution
The fourth proportional to 146,665,927.80, 219,998,891.70 and 38,960,551.80 is: 58,440,827.70
Step by Step Solution
- Step 1: Write the proportion equation
146,665,927.80 : 219,998,891.70 = 38,960,551.80 : x - Step 2: Convert to fraction form
146,665,927.80/219,998,891.70 = 38,960,551.80/x - Step 3: Cross multiply
146,665,927.80x = 219,998,891.70 × 38,960,551.80 - Step 4: Simplify right side
146,665,927.80x = 8,571,278,216,020,439 - Step 5: Solve for x
x = 8,571,278,216,020,439/146,665,927.80 - Step 6: Final answer
x = 58,440,827.70
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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.