Finding the Fourth Proportional to 68,422,990.06, 94,348,039.17 and 43,603,835.14
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Solution
The fourth proportional to 68,422,990.06, 94,348,039.17 and 43,603,835.14 is: 60,125,059.46
Step by Step Solution
- Step 1: Write the proportion equation
68,422,990.06 : 94,348,039.17 = 43,603,835.14 : x - Step 2: Convert to fraction form
68,422,990.06/94,348,039.17 = 43,603,835.14/x - Step 3: Cross multiply
68,422,990.06x = 94,348,039.17 × 43,603,835.14 - Step 4: Simplify right side
68,422,990.06x = 4,113,936,345,750,942.50 - Step 5: Solve for x
x = 4,113,936,345,750,942.50/68,422,990.06 - Step 6: Final answer
x = 60,125,059.46
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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.