Finding the Fourth Proportional to 177,230,478.40, 266,119,432.80 and 96,608,910.40
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Solution
The fourth proportional to 177,230,478.40, 266,119,432.80 and 96,608,910.40 is: 145,062,568.65
Step by Step Solution
- Step 1: Write the proportion equation
177,230,478.40 : 266,119,432.80 = 96,608,910.40 : x - Step 2: Convert to fraction form
177,230,478.40/266,119,432.80 = 96,608,910.40/x - Step 3: Cross multiply
177,230,478.40x = 266,119,432.80 × 96,608,910.40 - Step 4: Simplify right side
177,230,478.40x = 25,709,508,439,074,024 - Step 5: Solve for x
x = 25,709,508,439,074,024/177,230,478.40 - Step 6: Final answer
x = 145,062,568.65
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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.