Finding the Fourth Proportional to 129,458,358.36, 194,264,151.04 and 47,634,697.09
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Solution
The fourth proportional to 129,458,358.36, 194,264,151.04 and 47,634,697.09 is: 71,480,235.87
Step by Step Solution
- Step 1: Write the proportion equation
129,458,358.36 : 194,264,151.04 = 47,634,697.09 : x - Step 2: Convert to fraction form
129,458,358.36/194,264,151.04 = 47,634,697.09/x - Step 3: Cross multiply
129,458,358.36x = 194,264,151.04 × 47,634,697.09 - Step 4: Simplify right side
129,458,358.36x = 9,253,713,990,538,782 - Step 5: Solve for x
x = 9,253,713,990,538,782/129,458,358.36 - Step 6: Final answer
x = 71,480,235.87
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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.