Finding the Fourth Proportional to 65,148,380.80, 97,733,630.40 and 19,709,814.40
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Solution
The fourth proportional to 65,148,380.80, 97,733,630.40 and 19,709,814.40 is: 29,568,067.42
Step by Step Solution
- Step 1: Write the proportion equation
65,148,380.80 : 97,733,630.40 = 19,709,814.40 : x - Step 2: Convert to fraction form
65,148,380.80/97,733,630.40 = 19,709,814.40/x - Step 3: Cross multiply
65,148,380.80x = 97,733,630.40 × 19,709,814.40 - Step 4: Simplify right side
65,148,380.80x = 1,926,311,715,822,197.75 - Step 5: Solve for x
x = 1,926,311,715,822,197.75/65,148,380.80 - Step 6: Final answer
x = 29,568,067.42
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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.