Finding the Fourth Proportional to 81,560,159.10, 122,351,706.03 and 26,209,437.36
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Solution
The fourth proportional to 81,560,159.10, 122,351,706.03 and 26,209,437.36 is: 39,317,841.09
Step by Step Solution
- Step 1: Write the proportion equation
81,560,159.10 : 122,351,706.03 = 26,209,437.36 : x - Step 2: Convert to fraction form
81,560,159.10/122,351,706.03 = 26,209,437.36/x - Step 3: Cross multiply
81,560,159.10x = 122,351,706.03 × 26,209,437.36 - Step 4: Simplify right side
81,560,159.10x = 3,206,769,375,082,419 - Step 5: Solve for x
x = 3,206,769,375,082,419/81,560,159.10 - Step 6: Final answer
x = 39,317,841.09
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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.