Finding the Fourth Proportional to 53,246,422.80, 79,757,659.80 and 44,288,470.80
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Solution
The fourth proportional to 53,246,422.80, 79,757,659.80 and 44,288,470.80 is: 66,339,569.90
Step by Step Solution
- Step 1: Write the proportion equation
53,246,422.80 : 79,757,659.80 = 44,288,470.80 : x - Step 2: Convert to fraction form
53,246,422.80/79,757,659.80 = 44,288,470.80/x - Step 3: Cross multiply
53,246,422.80x = 79,757,659.80 × 44,288,470.80 - Step 4: Simplify right side
53,246,422.80x = 3,532,344,787,128,633.50 - Step 5: Solve for x
x = 3,532,344,787,128,633.50/53,246,422.80 - Step 6: Final answer
x = 66,339,569.90
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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.