Finding the Fourth Proportional to 129,519,369.62, 194,257,774.01 and 46,503,936.93
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Solution
The fourth proportional to 129,519,369.62, 194,257,774.01 and 46,503,936.93 is: 69,748,264.66
Step by Step Solution
- Step 1: Write the proportion equation
129,519,369.62 : 194,257,774.01 = 46,503,936.93 : x - Step 2: Convert to fraction form
129,519,369.62/194,257,774.01 = 46,503,936.93/x - Step 3: Cross multiply
129,519,369.62x = 194,257,774.01 × 46,503,936.93 - Step 4: Simplify right side
129,519,369.62x = 9,033,751,271,306,608 - Step 5: Solve for x
x = 9,033,751,271,306,608/129,519,369.62 - Step 6: Final answer
x = 69,748,264.66
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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.