Finding the Fourth Proportional to 299,379,744.10, 449,069,616.15 and 146,124,115.30
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Solution
The fourth proportional to 299,379,744.10, 449,069,616.15 and 146,124,115.30 is: 219,186,172.95
Step by Step Solution
- Step 1: Write the proportion equation
299,379,744.10 : 449,069,616.15 = 146,124,115.30 : x - Step 2: Convert to fraction form
299,379,744.10/449,069,616.15 = 146,124,115.30/x - Step 3: Cross multiply
299,379,744.10x = 449,069,616.15 × 146,124,115.30 - Step 4: Simplify right side
299,379,744.10x = 65,619,900,368,029,344 - Step 5: Solve for x
x = 65,619,900,368,029,344/299,379,744.10 - Step 6: Final answer
x = 219,186,172.95
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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.