Finding the Fourth Proportional to 81,823,723.62, 112,919,132.52 and 44,656,387.80
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Solution
The fourth proportional to 81,823,723.62, 112,919,132.52 and 44,656,387.80 is: 61,627,121.68
Step by Step Solution
- Step 1: Write the proportion equation
81,823,723.62 : 112,919,132.52 = 44,656,387.80 : x - Step 2: Convert to fraction form
81,823,723.62/112,919,132.52 = 44,656,387.80/x - Step 3: Cross multiply
81,823,723.62x = 112,919,132.52 × 44,656,387.80 - Step 4: Simplify right side
81,823,723.62x = 5,042,560,571,852,711 - Step 5: Solve for x
x = 5,042,560,571,852,711/81,823,723.62 - Step 6: Final answer
x = 61,627,121.68
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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.