Finding the Fourth Proportional to 45,823,251.20, 68,734,876.80 and 39,587,676.80
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Solution
The fourth proportional to 45,823,251.20, 68,734,876.80 and 39,587,676.80 is: 59,381,515.20
Step by Step Solution
- Step 1: Write the proportion equation
45,823,251.20 : 68,734,876.80 = 39,587,676.80 : x - Step 2: Convert to fraction form
45,823,251.20/68,734,876.80 = 39,587,676.80/x - Step 3: Cross multiply
45,823,251.20x = 68,734,876.80 × 39,587,676.80 - Step 4: Simplify right side
45,823,251.20x = 2,721,054,087,646,218 - Step 5: Solve for x
x = 2,721,054,087,646,218/45,823,251.20 - Step 6: Final answer
x = 59,381,515.20
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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.