Finding the Fourth Proportional to 54,451,278.90, 81,440,722.35 and 48,735,335.70
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Solution
The fourth proportional to 54,451,278.90, 81,440,722.35 and 48,735,335.70 is: 72,891,601.88
Step by Step Solution
- Step 1: Write the proportion equation
54,451,278.90 : 81,440,722.35 = 48,735,335.70 : x - Step 2: Convert to fraction form
54,451,278.90/81,440,722.35 = 48,735,335.70/x - Step 3: Cross multiply
54,451,278.90x = 81,440,722.35 × 48,735,335.70 - Step 4: Simplify right side
54,451,278.90x = 3,969,040,943,377,743 - Step 5: Solve for x
x = 3,969,040,943,377,743/54,451,278.90 - Step 6: Final answer
x = 72,891,601.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.