Finding the Fourth Proportional to 332,805,135.70, 499,169,912.19 and 128,316,086.74
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Solution
The fourth proportional to 332,805,135.70, 499,169,912.19 and 128,316,086.74 is: 192,459,559.30
Step by Step Solution
- Step 1: Write the proportion equation
332,805,135.70 : 499,169,912.19 = 128,316,086.74 : x - Step 2: Convert to fraction form
332,805,135.70/499,169,912.19 = 128,316,086.74/x - Step 3: Cross multiply
332,805,135.70x = 499,169,912.19 × 128,316,086.74 - Step 4: Simplify right side
332,805,135.70x = 64,051,529,750,570,224 - Step 5: Solve for x
x = 64,051,529,750,570,224/332,805,135.70 - Step 6: Final answer
x = 192,459,559.30
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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.