Finding the Fourth Proportional to 213,073,923.12, 319,625,056.44 and 74,882,816.88
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Solution
The fourth proportional to 213,073,923.12, 319,625,056.44 and 74,882,816.88 is: 112,329,205.85
Step by Step Solution
- Step 1: Write the proportion equation
213,073,923.12 : 319,625,056.44 = 74,882,816.88 : x - Step 2: Convert to fraction form
213,073,923.12/319,625,056.44 = 74,882,816.88/x - Step 3: Cross multiply
213,073,923.12x = 319,625,056.44 × 74,882,816.88 - Step 4: Simplify right side
213,073,923.12x = 23,934,424,571,656,184 - Step 5: Solve for x
x = 23,934,424,571,656,184/213,073,923.12 - Step 6: Final answer
x = 112,329,205.85
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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.