Finding the Fourth Proportional to 268,757,885.80, 402,838,230.30 and 147,676,234.60
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Solution
The fourth proportional to 268,757,885.80, 402,838,230.30 and 147,676,234.60 is: 221,350,278.99
Step by Step Solution
- Step 1: Write the proportion equation
268,757,885.80 : 402,838,230.30 = 147,676,234.60 : x - Step 2: Convert to fraction form
268,757,885.80/402,838,230.30 = 147,676,234.60/x - Step 3: Cross multiply
268,757,885.80x = 402,838,230.30 × 147,676,234.60 - Step 4: Simplify right side
268,757,885.80x = 59,489,633,003,631,624 - Step 5: Solve for x
x = 59,489,633,003,631,624/268,757,885.80 - Step 6: Final answer
x = 221,350,278.99
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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.