Finding the Fourth Proportional to 245,829,711.51, 339,234,907.04 and 134,324,380.19
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Solution
The fourth proportional to 245,829,711.51, 339,234,907.04 and 134,324,380.19 is: 185,362,128.71
Step by Step Solution
- Step 1: Write the proportion equation
245,829,711.51 : 339,234,907.04 = 134,324,380.19 : x - Step 2: Convert to fraction form
245,829,711.51/339,234,907.04 = 134,324,380.19/x - Step 3: Cross multiply
245,829,711.51x = 339,234,907.04 × 134,324,380.19 - Step 4: Simplify right side
245,829,711.51x = 45,567,518,624,592,472 - Step 5: Solve for x
x = 45,567,518,624,592,472/245,829,711.51 - Step 6: Final answer
x = 185,362,128.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.