Finding the Fourth Proportional to 165,096,019.80, 247,644,029.70 and 93,432,403.80
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Solution
The fourth proportional to 165,096,019.80, 247,644,029.70 and 93,432,403.80 is: 140,148,605.70
Step by Step Solution
- Step 1: Write the proportion equation
165,096,019.80 : 247,644,029.70 = 93,432,403.80 : x - Step 2: Convert to fraction form
165,096,019.80/247,644,029.70 = 93,432,403.80/x - Step 3: Cross multiply
165,096,019.80x = 247,644,029.70 × 93,432,403.80 - Step 4: Simplify right side
165,096,019.80x = 23,137,976,981,589,592 - Step 5: Solve for x
x = 23,137,976,981,589,592/165,096,019.80 - Step 6: Final answer
x = 140,148,605.70
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1.5x scale
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.