Finding the Fourth Proportional to 45,485,058, 68,217,540.76 and 13,129,929.84
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Solution
The fourth proportional to 45,485,058, 68,217,540.76 and 13,129,929.84 is: 19,691,994.77
Step by Step Solution
- Step 1: Write the proportion equation
45,485,058 : 68,217,540.76 = 13,129,929.84 : x - Step 2: Convert to fraction form
45,485,058/68,217,540.76 = 13,129,929.84/x - Step 3: Cross multiply
45,485,058x = 68,217,540.76 × 13,129,929.84 - Step 4: Simplify right side
45,485,058x = 895,691,524,036,140.38 - Step 5: Solve for x
x = 895,691,524,036,140.38/45,485,058 - Step 6: Final answer
x = 19,691,994.77
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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.