Finding the Fourth Proportional to 76,513,651.08, 114,770,993.40 and 27,971,535.84
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Solution
The fourth proportional to 76,513,651.08, 114,770,993.40 and 27,971,535.84 is: 41,957,492.68
Step by Step Solution
- Step 1: Write the proportion equation
76,513,651.08 : 114,770,993.40 = 27,971,535.84 : x - Step 2: Convert to fraction form
76,513,651.08/114,770,993.40 = 27,971,535.84/x - Step 3: Cross multiply
76,513,651.08x = 114,770,993.40 × 27,971,535.84 - Step 4: Simplify right side
76,513,651.08x = 3,210,320,955,280,503.50 - Step 5: Solve for x
x = 3,210,320,955,280,503.50/76,513,651.08 - Step 6: Final answer
x = 41,957,492.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.