Finding the Fourth Proportional to 121,321,711, 181,982,566.50 and 40,542,679
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Solution
The fourth proportional to 121,321,711, 181,982,566.50 and 40,542,679 is: 60,814,018.50
Step by Step Solution
- Step 1: Write the proportion equation
121,321,711 : 181,982,566.50 = 40,542,679 : x - Step 2: Convert to fraction form
121,321,711/181,982,566.50 = 40,542,679/x - Step 3: Cross multiply
121,321,711x = 181,982,566.50 × 40,542,679 - Step 4: Simplify right side
121,321,711x = 7,378,060,777,205,654 - Step 5: Solve for x
x = 7,378,060,777,205,654/121,321,711 - Step 6: Final answer
x = 60,814,018.50
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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.