Finding the Fourth Proportional to 54,348,701.10, 81,469,907.55 and 48,609,138.30
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Solution
The fourth proportional to 54,348,701.10, 81,469,907.55 and 48,609,138.30 is: 72,866,175.70
Step by Step Solution
- Step 1: Write the proportion equation
54,348,701.10 : 81,469,907.55 = 48,609,138.30 : x - Step 2: Convert to fraction form
54,348,701.10/81,469,907.55 = 48,609,138.30/x - Step 3: Cross multiply
54,348,701.10x = 81,469,907.55 × 48,609,138.30 - Step 4: Simplify right side
54,348,701.10x = 3,960,182,003,386,164 - Step 5: Solve for x
x = 3,960,182,003,386,164/54,348,701.10 - Step 6: Final answer
x = 72,866,175.70
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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.