Finding the Fourth Proportional to 86,454,711.40, 129,474,269.82 and 49,454,423.80
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Solution
The fourth proportional to 86,454,711.40, 129,474,269.82 and 49,454,423.80 is: 74,062,770.06
Step by Step Solution
- Step 1: Write the proportion equation
86,454,711.40 : 129,474,269.82 = 49,454,423.80 : x - Step 2: Convert to fraction form
86,454,711.40/129,474,269.82 = 49,454,423.80/x - Step 3: Cross multiply
86,454,711.40x = 129,474,269.82 × 49,454,423.80 - Step 4: Simplify right side
86,454,711.40x = 6,403,075,410,873,829 - Step 5: Solve for x
x = 6,403,075,410,873,829/86,454,711.40 - Step 6: Final answer
x = 74,062,770.06
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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.