Finding the Fourth Proportional to 73,618,721,112.42, 110,418,941,900.45 and 19,840,063,919.75
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Solution
The fourth proportional to 73,618,721,112.42, 110,418,941,900.45 and 19,840,063,919.75 is: 29,757,632,734.63
Step by Step Solution
- Step 1: Write the proportion equation
73,618,721,112.42 : 110,418,941,900.45 = 19,840,063,919.75 : x - Step 2: Convert to fraction form
73,618,721,112.42/110,418,941,900.45 = 19,840,063,919.75/x - Step 3: Cross multiply
73,618,721,112.42x = 110,418,941,900.45 × 19,840,063,919.75 - Step 4: Simplify right side
73,618,721,112.42x = 2,190,718,865,256,310,112,256 - Step 5: Solve for x
x = 2,190,718,865,256,310,112,256/73,618,721,112.42 - Step 6: Final answer
x = 29,757,632,734.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.