Finding the Fourth Proportional to 168,293,202.10, 252,439,803.15 and 161,490,757.30
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Solution
The fourth proportional to 168,293,202.10, 252,439,803.15 and 161,490,757.30 is: 242,236,135.95
Step by Step Solution
- Step 1: Write the proportion equation
168,293,202.10 : 252,439,803.15 = 161,490,757.30 : x - Step 2: Convert to fraction form
168,293,202.10/252,439,803.15 = 161,490,757.30/x - Step 3: Cross multiply
168,293,202.10x = 252,439,803.15 × 161,490,757.30 - Step 4: Simplify right side
168,293,202.10x = 40,766,694,983,356,432 - Step 5: Solve for x
x = 40,766,694,983,356,432/168,293,202.10 - Step 6: Final answer
x = 242,236,135.95
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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.