Finding the Fourth Proportional to 310,453,491.09, 465,680,237.04 and 126,177,793.28
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Solution
The fourth proportional to 310,453,491.09, 465,680,237.04 and 126,177,793.28 is: 189,266,690.08
Step by Step Solution
- Step 1: Write the proportion equation
310,453,491.09 : 465,680,237.04 = 126,177,793.28 : x - Step 2: Convert to fraction form
310,453,491.09/465,680,237.04 = 126,177,793.28/x - Step 3: Cross multiply
310,453,491.09x = 465,680,237.04 × 126,177,793.28 - Step 4: Simplify right side
310,453,491.09x = 58,758,504,681,486,120 - Step 5: Solve for x
x = 58,758,504,681,486,120/310,453,491.09 - Step 6: Final answer
x = 189,266,690.08
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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.