Finding the Fourth Proportional to 311,518,727.57, 430,028,212.71 and 194,102,069.98
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Solution
The fourth proportional to 311,518,727.57, 430,028,212.71 and 194,102,069.98 is: 267,943,333.26
Step by Step Solution
- Step 1: Write the proportion equation
311,518,727.57 : 430,028,212.71 = 194,102,069.98 : x - Step 2: Convert to fraction form
311,518,727.57/430,028,212.71 = 194,102,069.98/x - Step 3: Cross multiply
311,518,727.57x = 430,028,212.71 × 194,102,069.98 - Step 4: Simplify right side
311,518,727.57x = 83,469,366,236,810,736 - Step 5: Solve for x
x = 83,469,366,236,810,736/311,518,727.57 - Step 6: Final answer
x = 267,943,333.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.