Finding the Fourth Proportional to 134,489,456.20, 201,734,184.30 and 80,069,897.80
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Solution
The fourth proportional to 134,489,456.20, 201,734,184.30 and 80,069,897.80 is: 120,104,846.70
Step by Step Solution
- Step 1: Write the proportion equation
134,489,456.20 : 201,734,184.30 = 80,069,897.80 : x - Step 2: Convert to fraction form
134,489,456.20/201,734,184.30 = 80,069,897.80/x - Step 3: Cross multiply
134,489,456.20x = 201,734,184.30 × 80,069,897.80 - Step 4: Simplify right side
134,489,456.20x = 16,152,835,519,667,364 - Step 5: Solve for x
x = 16,152,835,519,667,364/134,489,456.20 - Step 6: Final answer
x = 120,104,846.70
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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.