Finding the Fourth Proportional to 262,991,241.90, 394,486,862.85 and 109,747,277.10
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Solution
The fourth proportional to 262,991,241.90, 394,486,862.85 and 109,747,277.10 is: 164,620,915.65
Step by Step Solution
- Step 1: Write the proportion equation
262,991,241.90 : 394,486,862.85 = 109,747,277.10 : x - Step 2: Convert to fraction form
262,991,241.90/394,486,862.85 = 109,747,277.10/x - Step 3: Cross multiply
262,991,241.90x = 394,486,862.85 × 109,747,277.10 - Step 4: Simplify right side
262,991,241.90x = 43,293,859,049,508,648 - Step 5: Solve for x
x = 43,293,859,049,508,648/262,991,241.90 - Step 6: Final answer
x = 164,620,915.65
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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.