Finding the Fourth Proportional to 79,818,751,181.99, 110,150,563,539.64 and 45,526,194,752.70
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Solution
The fourth proportional to 79,818,751,181.99, 110,150,563,539.64 and 45,526,194,752.70 is: 62,826,540,550.50
Step by Step Solution
- Step 1: Write the proportion equation
79,818,751,181.99 : 110,150,563,539.64 = 45,526,194,752.70 : x - Step 2: Convert to fraction form
79,818,751,181.99/110,150,563,539.64 = 45,526,194,752.70/x - Step 3: Cross multiply
79,818,751,181.99x = 110,150,563,539.64 × 45,526,194,752.70 - Step 4: Simplify right side
79,818,751,181.99x = 5,014,736,007,825,306,157,056 - Step 5: Solve for x
x = 5,014,736,007,825,306,157,056/79,818,751,181.99 - Step 6: Final answer
x = 62,826,540,550.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.