Finding the Fourth Proportional to 79,951,799.12, 110,333,519.70 and 43,282,370.12
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Solution
The fourth proportional to 79,951,799.12, 110,333,519.70 and 43,282,370.12 is: 59,729,690.75
Step by Step Solution
- Step 1: Write the proportion equation
79,951,799.12 : 110,333,519.70 = 43,282,370.12 : x - Step 2: Convert to fraction form
79,951,799.12/110,333,519.70 = 43,282,370.12/x - Step 3: Cross multiply
79,951,799.12x = 110,333,519.70 × 43,282,370.12 - Step 4: Simplify right side
79,951,799.12x = 4,775,496,236,297,711 - Step 5: Solve for x
x = 4,775,496,236,297,711/79,951,799.12 - Step 6: Final answer
x = 59,729,690.75
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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.