Finding the Fourth Proportional to 157,230,245.70, 235,845,368.55 and 54,983,621.70
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Solution
The fourth proportional to 157,230,245.70, 235,845,368.55 and 54,983,621.70 is: 82,475,432.55
Step by Step Solution
- Step 1: Write the proportion equation
157,230,245.70 : 235,845,368.55 = 54,983,621.70 : x - Step 2: Convert to fraction form
157,230,245.70/235,845,368.55 = 54,983,621.70/x - Step 3: Cross multiply
157,230,245.70x = 235,845,368.55 × 54,983,621.70 - Step 4: Simplify right side
157,230,245.70x = 12,967,632,524,050,278 - Step 5: Solve for x
x = 12,967,632,524,050,278/157,230,245.70 - Step 6: Final answer
x = 82,475,432.55
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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.