Finding the Fourth Proportional to 331,128,742.70, 496,693,114.05 and 112,706,491.70
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Solution
The fourth proportional to 331,128,742.70, 496,693,114.05 and 112,706,491.70 is: 169,059,737.55
Step by Step Solution
- Step 1: Write the proportion equation
331,128,742.70 : 496,693,114.05 = 112,706,491.70 : x - Step 2: Convert to fraction form
331,128,742.70/496,693,114.05 = 112,706,491.70/x - Step 3: Cross multiply
331,128,742.70x = 496,693,114.05 × 112,706,491.70 - Step 4: Simplify right side
331,128,742.70x = 55,980,538,336,123,480 - Step 5: Solve for x
x = 55,980,538,336,123,480/331,128,742.70 - Step 6: Final answer
x = 169,059,737.55
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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.