Finding the Fourth Proportional to 168,491,477.70, 252,737,216.55 and 149,359,601.70
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Solution
The fourth proportional to 168,491,477.70, 252,737,216.55 and 149,359,601.70 is: 224,039,402.55
Step by Step Solution
- Step 1: Write the proportion equation
168,491,477.70 : 252,737,216.55 = 149,359,601.70 : x - Step 2: Convert to fraction form
168,491,477.70/252,737,216.55 = 149,359,601.70/x - Step 3: Cross multiply
168,491,477.70x = 252,737,216.55 × 149,359,601.70 - Step 4: Simplify right side
168,491,477.70x = 37,748,729,998,674,648 - Step 5: Solve for x
x = 37,748,729,998,674,648/168,491,477.70 - Step 6: Final answer
x = 224,039,402.55
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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.