Finding the Fourth Proportional to 170,290,847.70, 255,436,271.55 and 116,543,135.70
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Solution
The fourth proportional to 170,290,847.70, 255,436,271.55 and 116,543,135.70 is: 174,814,703.55
Step by Step Solution
- Step 1: Write the proportion equation
170,290,847.70 : 255,436,271.55 = 116,543,135.70 : x - Step 2: Convert to fraction form
170,290,847.70/255,436,271.55 = 116,543,135.70/x - Step 3: Cross multiply
170,290,847.70x = 255,436,271.55 × 116,543,135.70 - Step 4: Simplify right side
170,290,847.70x = 29,769,344,057,953,700 - Step 5: Solve for x
x = 29,769,344,057,953,700/170,290,847.70 - Step 6: Final answer
x = 174,814,703.55
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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.