Finding the Fourth Proportional to 79,657,450.20, 119,486,175.30 and 54,998,587.80
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Solution
The fourth proportional to 79,657,450.20, 119,486,175.30 and 54,998,587.80 is: 82,497,881.70
Step by Step Solution
- Step 1: Write the proportion equation
79,657,450.20 : 119,486,175.30 = 54,998,587.80 : x - Step 2: Convert to fraction form
79,657,450.20/119,486,175.30 = 54,998,587.80/x - Step 3: Cross multiply
79,657,450.20x = 119,486,175.30 × 54,998,587.80 - Step 4: Simplify right side
79,657,450.20x = 6,571,570,903,123,241 - Step 5: Solve for x
x = 6,571,570,903,123,241/79,657,450.20 - Step 6: Final answer
x = 82,497,881.70
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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.