Finding the Fourth Proportional to 86,149,857.24, 129,196,824.66 and 28,626,689.88
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Solution
The fourth proportional to 86,149,857.24, 129,196,824.66 and 28,626,689.88 is: 42,930,743.61
Step by Step Solution
- Step 1: Write the proportion equation
86,149,857.24 : 129,196,824.66 = 28,626,689.88 : x - Step 2: Convert to fraction form
86,149,857.24/129,196,824.66 = 28,626,689.88/x - Step 3: Cross multiply
86,149,857.24x = 129,196,824.66 × 28,626,689.88 - Step 4: Simplify right side
86,149,857.24x = 3,698,477,433,022,556 - Step 5: Solve for x
x = 3,698,477,433,022,556/86,149,857.24 - Step 6: Final answer
x = 42,930,743.61
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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.