Finding the Fourth Proportional to 196,722,044.20, 295,272,023.10 and 99,787,205.80
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Solution
The fourth proportional to 196,722,044.20, 295,272,023.10 and 99,787,205.80 is: 149,776,656.99
Step by Step Solution
- Step 1: Write the proportion equation
196,722,044.20 : 295,272,023.10 = 99,787,205.80 : x - Step 2: Convert to fraction form
196,722,044.20/295,272,023.10 = 99,787,205.80/x - Step 3: Cross multiply
196,722,044.20x = 295,272,023.10 × 99,787,205.80 - Step 4: Simplify right side
196,722,044.20x = 29,464,370,136,062,056 - Step 5: Solve for x
x = 29,464,370,136,062,056/196,722,044.20 - Step 6: Final answer
x = 149,776,656.99
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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.