Finding the Fourth Proportional to 71,012,136.20, 106,518,204.30 and 25,568,025.80
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Solution
The fourth proportional to 71,012,136.20, 106,518,204.30 and 25,568,025.80 is: 38,352,038.70
Step by Step Solution
- Step 1: Write the proportion equation
71,012,136.20 : 106,518,204.30 = 25,568,025.80 : x - Step 2: Convert to fraction form
71,012,136.20/106,518,204.30 = 25,568,025.80/x - Step 3: Cross multiply
71,012,136.20x = 106,518,204.30 × 25,568,025.80 - Step 4: Simplify right side
71,012,136.20x = 2,723,460,195,712,071 - Step 5: Solve for x
x = 2,723,460,195,712,071/71,012,136.20 - Step 6: Final answer
x = 38,352,038.70
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1.5x scale
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.