Finding the Fourth Proportional to 169,986,239.70, 254,979,359.55 and 166,207,103.70
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Solution
The fourth proportional to 169,986,239.70, 254,979,359.55 and 166,207,103.70 is: 249,310,655.55
Step by Step Solution
- Step 1: Write the proportion equation
169,986,239.70 : 254,979,359.55 = 166,207,103.70 : x - Step 2: Convert to fraction form
169,986,239.70/254,979,359.55 = 166,207,103.70/x - Step 3: Cross multiply
169,986,239.70x = 254,979,359.55 × 166,207,103.70 - Step 4: Simplify right side
169,986,239.70x = 42,379,380,854,086,432 - Step 5: Solve for x
x = 42,379,380,854,086,432/169,986,239.70 - Step 6: Final answer
x = 249,310,655.55
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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.