Finding the Fourth Proportional to 87,768,290.14, 131,706,246.27 and 39,287,136.58
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Solution
The fourth proportional to 87,768,290.14, 131,706,246.27 and 39,287,136.58 is: 58,954,791.96
Step by Step Solution
- Step 1: Write the proportion equation
87,768,290.14 : 131,706,246.27 = 39,287,136.58 : x - Step 2: Convert to fraction form
87,768,290.14/131,706,246.27 = 39,287,136.58/x - Step 3: Cross multiply
87,768,290.14x = 131,706,246.27 × 39,287,136.58 - Step 4: Simplify right side
87,768,290.14x = 5,174,361,285,648,605 - Step 5: Solve for x
x = 5,174,361,285,648,605/87,768,290.14 - Step 6: Final answer
x = 58,954,791.96
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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.