Finding the Fourth Proportional to 126,982,173.38, 190,427,589.09 and 43,961,382.98
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Solution
The fourth proportional to 126,982,173.38, 190,427,589.09 and 43,961,382.98 is: 65,926,263.12
Step by Step Solution
- Step 1: Write the proportion equation
126,982,173.38 : 190,427,589.09 = 43,961,382.98 : x - Step 2: Convert to fraction form
126,982,173.38/190,427,589.09 = 43,961,382.98/x - Step 3: Cross multiply
126,982,173.38x = 190,427,589.09 × 43,961,382.98 - Step 4: Simplify right side
126,982,173.38x = 8,371,460,173,943,559 - Step 5: Solve for x
x = 8,371,460,173,943,559/126,982,173.38 - Step 6: Final answer
x = 65,926,263.12
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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.