Finding the Fourth Proportional to 137,801,404.20, 206,702,106.30 and 40,748,467.80
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Solution
The fourth proportional to 137,801,404.20, 206,702,106.30 and 40,748,467.80 is: 61,122,701.70
Step by Step Solution
- Step 1: Write the proportion equation
137,801,404.20 : 206,702,106.30 = 40,748,467.80 : x - Step 2: Convert to fraction form
137,801,404.20/206,702,106.30 = 40,748,467.80/x - Step 3: Cross multiply
137,801,404.20x = 206,702,106.30 × 40,748,467.80 - Step 4: Simplify right side
137,801,404.20x = 8,422,794,122,757,727 - Step 5: Solve for x
x = 8,422,794,122,757,727/137,801,404.20 - Step 6: Final answer
x = 61,122,701.70
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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.