Finding the Fourth Proportional to 165,944,430.20, 248,916,645.30 and 44,775,687.80
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Solution
The fourth proportional to 165,944,430.20, 248,916,645.30 and 44,775,687.80 is: 67,163,531.70
Step by Step Solution
- Step 1: Write the proportion equation
165,944,430.20 : 248,916,645.30 = 44,775,687.80 : x - Step 2: Convert to fraction form
165,944,430.20/248,916,645.30 = 44,775,687.80/x - Step 3: Cross multiply
165,944,430.20x = 248,916,645.30 × 44,775,687.80 - Step 4: Simplify right side
165,944,430.20x = 11,145,413,998,176,138 - Step 5: Solve for x
x = 11,145,413,998,176,138/165,944,430.20 - Step 6: Final answer
x = 67,163,531.70
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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.