Finding the Fourth Proportional to 53,273,080.20, 79,909,620.30 and 19,195,537.80
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Solution
The fourth proportional to 53,273,080.20, 79,909,620.30 and 19,195,537.80 is: 28,793,306.70
Step by Step Solution
- Step 1: Write the proportion equation
53,273,080.20 : 79,909,620.30 = 19,195,537.80 : x - Step 2: Convert to fraction form
53,273,080.20/79,909,620.30 = 19,195,537.80/x - Step 3: Cross multiply
53,273,080.20x = 79,909,620.30 × 19,195,537.80 - Step 4: Simplify right side
53,273,080.20x = 1,533,908,137,052,297.25 - Step 5: Solve for x
x = 1,533,908,137,052,297.25/53,273,080.20 - Step 6: Final answer
x = 28,793,306.70
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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.