Finding the Fourth Proportional to 68,466,017,380.14, 94,483,215,135 and 37,982,201,775.94
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Solution
The fourth proportional to 68,466,017,380.14, 94,483,215,135 and 37,982,201,775.94 is: 52,415,500,112.59
Step by Step Solution
- Step 1: Write the proportion equation
68,466,017,380.14 : 94,483,215,135 = 37,982,201,775.94 : x - Step 2: Convert to fraction form
68,466,017,380.14/94,483,215,135 = 37,982,201,775.94/x - Step 3: Cross multiply
68,466,017,380.14x = 94,483,215,135 × 37,982,201,775.94 - Step 4: Simplify right side
68,466,017,380.14x = 3,588,680,541,697,118,568,448 - Step 5: Solve for x
x = 3,588,680,541,697,118,568,448/68,466,017,380.14 - Step 6: Final answer
x = 52,415,500,112.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.