Finding the Fourth Proportional to 177,147,206.70, 265,720,810.05 and 121,664,766.30
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Solution
The fourth proportional to 177,147,206.70, 265,720,810.05 and 121,664,766.30 is: 182,497,149.45
Step by Step Solution
- Step 1: Write the proportion equation
177,147,206.70 : 265,720,810.05 = 121,664,766.30 : x - Step 2: Convert to fraction form
177,147,206.70/265,720,810.05 = 121,664,766.30/x - Step 3: Cross multiply
177,147,206.70x = 265,720,810.05 × 121,664,766.30 - Step 4: Simplify right side
177,147,206.70x = 32,328,860,255,779,940 - Step 5: Solve for x
x = 32,328,860,255,779,940/177,147,206.70 - Step 6: Final answer
x = 182,497,149.45
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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.