Finding the Fourth Proportional to 134,489,395.70, 201,734,093.55 and 80,069,837.30
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Solution
The fourth proportional to 134,489,395.70, 201,734,093.55 and 80,069,837.30 is: 120,104,755.95
Step by Step Solution
- Step 1: Write the proportion equation
134,489,395.70 : 201,734,093.55 = 80,069,837.30 : x - Step 2: Convert to fraction form
134,489,395.70/201,734,093.55 = 80,069,837.30/x - Step 3: Cross multiply
134,489,395.70x = 201,734,093.55 × 80,069,837.30 - Step 4: Simplify right side
134,489,395.70x = 16,152,816,048,411,480 - Step 5: Solve for x
x = 16,152,816,048,411,480/134,489,395.70 - Step 6: Final answer
x = 120,104,755.95
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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.