Finding the Fourth Proportional to 129,458,366.93, 194,264,163.93 and 47,634,705.65
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Solution
The fourth proportional to 129,458,366.93, 194,264,163.93 and 47,634,705.65 is: 71,480,248.72
Step by Step Solution
- Step 1: Write the proportion equation
129,458,366.93 : 194,264,163.93 = 47,634,705.65 : x - Step 2: Convert to fraction form
129,458,366.93/194,264,163.93 = 47,634,705.65/x - Step 3: Cross multiply
129,458,366.93x = 194,264,163.93 × 47,634,705.65 - Step 4: Simplify right side
129,458,366.93x = 9,253,716,267,813,188 - Step 5: Solve for x
x = 9,253,716,267,813,188/129,458,366.93 - Step 6: Final answer
x = 71,480,248.72
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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.