Finding the Fourth Proportional to 220,148,083.80, 330,222,125.70 and 56,385,523.80
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Solution
The fourth proportional to 220,148,083.80, 330,222,125.70 and 56,385,523.80 is: 84,578,285.70
Step by Step Solution
- Step 1: Write the proportion equation
220,148,083.80 : 330,222,125.70 = 56,385,523.80 : x - Step 2: Convert to fraction form
220,148,083.80/330,222,125.70 = 56,385,523.80/x - Step 3: Cross multiply
220,148,083.80x = 330,222,125.70 × 56,385,523.80 - Step 4: Simplify right side
220,148,083.80x = 18,619,747,527,943,940 - Step 5: Solve for x
x = 18,619,747,527,943,940/220,148,083.80 - Step 6: Final answer
x = 84,578,285.70
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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.