Finding the Fourth Proportional to 124,102,380.00, 171,259,195.11 and 68,352,992.10
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Solution
The fourth proportional to 124,102,380.00, 171,259,195.11 and 68,352,992.10 is: 94,325,978.36
Step by Step Solution
- Step 1: Write the proportion equation
124,102,380.00 : 171,259,195.11 = 68,352,992.10 : x - Step 2: Convert to fraction form
124,102,380.00/171,259,195.11 = 68,352,992.10/x - Step 3: Cross multiply
124,102,380.00x = 171,259,195.11 × 68,352,992.10 - Step 4: Simplify right side
124,102,380.00x = 11,706,078,409,763,968 - Step 5: Solve for x
x = 11,706,078,409,763,968/124,102,380.00 - Step 6: Final answer
x = 94,325,978.36
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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.