Finding the Fourth Proportional to 88,940,208.87, 133,421,076.99 and 31,420,709.19
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Solution
The fourth proportional to 88,940,208.87, 133,421,076.99 and 31,420,709.19 is: 47,134,866.37
Step by Step Solution
- Step 1: Write the proportion equation
88,940,208.87 : 133,421,076.99 = 31,420,709.19 : x - Step 2: Convert to fraction form
88,940,208.87/133,421,076.99 = 31,420,709.19/x - Step 3: Cross multiply
88,940,208.87x = 133,421,076.99 × 31,420,709.19 - Step 4: Simplify right side
88,940,208.87x = 4,192,184,859,919,390.50 - Step 5: Solve for x
x = 4,192,184,859,919,390.50/88,940,208.87 - Step 6: Final answer
x = 47,134,866.37
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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.