Finding the Fourth Proportional to 58,420,775.75, 80,198,498.36 and 50,146,473.12
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Solution
The fourth proportional to 58,420,775.75, 80,198,498.36 and 50,146,473.12 is: 68,839,754.19
Step by Step Solution
- Step 1: Write the proportion equation
58,420,775.75 : 80,198,498.36 = 50,146,473.12 : x - Step 2: Convert to fraction form
58,420,775.75/80,198,498.36 = 50,146,473.12/x - Step 3: Cross multiply
58,420,775.75x = 80,198,498.36 × 50,146,473.12 - Step 4: Simplify right side
58,420,775.75x = 4,021,671,842,023,371.50 - Step 5: Solve for x
x = 4,021,671,842,023,371.50/58,420,775.75 - Step 6: Final answer
x = 68,839,754.19
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.