Finding the Fourth Proportional to 121,476,137.80, 182,214,206.70 and 53,318,829.55
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Solution
The fourth proportional to 121,476,137.80, 182,214,206.70 and 53,318,829.55 is: 79,978,244.33
Step by Step Solution
- Step 1: Write the proportion equation
121,476,137.80 : 182,214,206.70 = 53,318,829.55 : x - Step 2: Convert to fraction form
121,476,137.80/182,214,206.70 = 53,318,829.55/x - Step 3: Cross multiply
121,476,137.80x = 182,214,206.70 × 53,318,829.55 - Step 4: Simplify right side
121,476,137.80x = 9,715,448,228,625,766 - Step 5: Solve for x
x = 9,715,448,228,625,766/121,476,137.80 - Step 6: Final answer
x = 79,978,244.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.