Finding the Fourth Proportional to 169,986,234.70, 254,979,352.05 and 166,207,098.70
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Solution
The fourth proportional to 169,986,234.70, 254,979,352.05 and 166,207,098.70 is: 249,310,648.05
Step by Step Solution
- Step 1: Write the proportion equation
169,986,234.70 : 254,979,352.05 = 166,207,098.70 : x - Step 2: Convert to fraction form
169,986,234.70/254,979,352.05 = 166,207,098.70/x - Step 3: Cross multiply
169,986,234.70x = 254,979,352.05 × 166,207,098.70 - Step 4: Simplify right side
169,986,234.70x = 42,379,378,332,636,400 - Step 5: Solve for x
x = 42,379,378,332,636,400/169,986,234.70 - Step 6: Final answer
x = 249,310,648.05
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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.