Finding the Fourth Proportional to 81,583,029.82, 122,338,634.18 and 43,235,559.46
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Solution
The fourth proportional to 81,583,029.82, 122,338,634.18 and 43,235,559.46 is: 64,834,308.12
Step by Step Solution
- Step 1: Write the proportion equation
81,583,029.82 : 122,338,634.18 = 43,235,559.46 : x - Step 2: Convert to fraction form
81,583,029.82/122,338,634.18 = 43,235,559.46/x - Step 3: Cross multiply
81,583,029.82x = 122,338,634.18 × 43,235,559.46 - Step 4: Simplify right side
81,583,029.82x = 5,289,379,292,146,821 - Step 5: Solve for x
x = 5,289,379,292,146,821/81,583,029.82 - Step 6: Final answer
x = 64,834,308.12
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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.