Finding the Fourth Proportional to 68,245,279.80, 102,367,919.70 and 22,187,059.80
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Solution
The fourth proportional to 68,245,279.80, 102,367,919.70 and 22,187,059.80 is: 33,280,589.70
Step by Step Solution
- Step 1: Write the proportion equation
68,245,279.80 : 102,367,919.70 = 22,187,059.80 : x - Step 2: Convert to fraction form
68,245,279.80/102,367,919.70 = 22,187,059.80/x - Step 3: Cross multiply
68,245,279.80x = 102,367,919.70 × 22,187,059.80 - Step 4: Simplify right side
68,245,279.80x = 2,271,243,155,985,498 - Step 5: Solve for x
x = 2,271,243,155,985,498/68,245,279.80 - Step 6: Final answer
x = 33,280,589.70
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1.5x scale
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.