Finding the Fourth Proportional to 79,704,163.60, 119,556,245.40 and 65,532,403.60
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Solution
The fourth proportional to 79,704,163.60, 119,556,245.40 and 65,532,403.60 is: 98,298,605.40
Step by Step Solution
- Step 1: Write the proportion equation
79,704,163.60 : 119,556,245.40 = 65,532,403.60 : x - Step 2: Convert to fraction form
79,704,163.60/119,556,245.40 = 65,532,403.60/x - Step 3: Cross multiply
79,704,163.60x = 119,556,245.40 × 65,532,403.60 - Step 4: Simplify right side
79,704,163.60x = 7,834,808,126,453,444 - Step 5: Solve for x
x = 7,834,808,126,453,444/79,704,163.60 - Step 6: Final answer
x = 98,298,605.40
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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.