Finding the Fourth Proportional to 66,768,763.80, 100,153,145.70 and 41,259,595.80
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Solution
The fourth proportional to 66,768,763.80, 100,153,145.70 and 41,259,595.80 is: 61,889,393.70
Step by Step Solution
- Step 1: Write the proportion equation
66,768,763.80 : 100,153,145.70 = 41,259,595.80 : x - Step 2: Convert to fraction form
66,768,763.80/100,153,145.70 = 41,259,595.80/x - Step 3: Cross multiply
66,768,763.80x = 100,153,145.70 × 41,259,595.80 - Step 4: Simplify right side
66,768,763.80x = 4,132,278,309,680,508 - Step 5: Solve for x
x = 4,132,278,309,680,508/66,768,763.80 - Step 6: Final answer
x = 61,889,393.70
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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.