Finding the Fourth Proportional to 121,321,701, 181,982,551.50 and 40,542,669
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Solution
The fourth proportional to 121,321,701, 181,982,551.50 and 40,542,669 is: 60,814,003.50
Step by Step Solution
- Step 1: Write the proportion equation
121,321,701 : 181,982,551.50 = 40,542,669 : x - Step 2: Convert to fraction form
121,321,701/181,982,551.50 = 40,542,669/x - Step 3: Cross multiply
121,321,701x = 181,982,551.50 × 40,542,669 - Step 4: Simplify right side
121,321,701x = 7,378,058,349,239,954 - Step 5: Solve for x
x = 7,378,058,349,239,954/121,321,701 - Step 6: Final answer
x = 60,814,003.50
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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.