Finding the Fourth Proportional to 113,575,471.80, 170,363,207.70 and 106,857,007.80
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Solution
The fourth proportional to 113,575,471.80, 170,363,207.70 and 106,857,007.80 is: 160,285,511.70
Step by Step Solution
- Step 1: Write the proportion equation
113,575,471.80 : 170,363,207.70 = 106,857,007.80 : x - Step 2: Convert to fraction form
113,575,471.80/170,363,207.70 = 106,857,007.80/x - Step 3: Cross multiply
113,575,471.80x = 170,363,207.70 × 106,857,007.80 - Step 4: Simplify right side
113,575,471.80x = 18,204,502,614,031,920 - Step 5: Solve for x
x = 18,204,502,614,031,920/113,575,471.80 - Step 6: Final answer
x = 160,285,511.70
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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.