Finding the Fourth Proportional to 311,890,703.43, 430,392,119.10 and 170,734,617.02
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Solution
The fourth proportional to 311,890,703.43, 430,392,119.10 and 170,734,617.02 is: 235,604,437.12
Step by Step Solution
- Step 1: Write the proportion equation
311,890,703.43 : 430,392,119.10 = 170,734,617.02 : x - Step 2: Convert to fraction form
311,890,703.43/430,392,119.10 = 170,734,617.02/x - Step 3: Cross multiply
311,890,703.43x = 430,392,119.10 × 170,734,617.02 - Step 4: Simplify right side
311,890,703.43x = 73,482,833,624,040,720 - Step 5: Solve for x
x = 73,482,833,624,040,720/311,890,703.43 - Step 6: Final answer
x = 235,604,437.12
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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.