Finding the Fourth Proportional to 69,192,128,758.11, 103,777,706,452.11 and 18,831,486,941.70
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Solution
The fourth proportional to 69,192,128,758.11, 103,777,706,452.11 and 18,831,486,941.70 is: 28,244,376,332.52
Step by Step Solution
- Step 1: Write the proportion equation
69,192,128,758.11 : 103,777,706,452.11 = 18,831,486,941.70 : x - Step 2: Convert to fraction form
69,192,128,758.11/103,777,706,452.11 = 18,831,486,941.70/x - Step 3: Cross multiply
69,192,128,758.11x = 103,777,706,452.11 × 18,831,486,941.70 - Step 4: Simplify right side
69,192,128,758.11x = 1,954,288,523,892,485,521,408 - Step 5: Solve for x
x = 1,954,288,523,892,485,521,408/69,192,128,758.11 - Step 6: Final answer
x = 28,244,376,332.52
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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.