Finding the Fourth Proportional to 86,697,936.24, 129,955,870.08 and 29,170,235.31
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Solution
The fourth proportional to 86,697,936.24, 129,955,870.08 and 29,170,235.31 is: 43,724,723.73
Step by Step Solution
- Step 1: Write the proportion equation
86,697,936.24 : 129,955,870.08 = 29,170,235.31 : x - Step 2: Convert to fraction form
86,697,936.24/129,955,870.08 = 29,170,235.31/x - Step 3: Cross multiply
86,697,936.24x = 129,955,870.08 × 29,170,235.31 - Step 4: Simplify right side
86,697,936.24x = 3,790,843,310,149,388.50 - Step 5: Solve for x
x = 3,790,843,310,149,388.50/86,697,936.24 - Step 6: Final answer
x = 43,724,723.73
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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.