Finding the Fourth Proportional to 68,152,633.05, 94,050,261.60 and 37,212,580.90
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Solution
The fourth proportional to 68,152,633.05, 94,050,261.60 and 37,212,580.90 is: 51,353,158.52
Step by Step Solution
- Step 1: Write the proportion equation
68,152,633.05 : 94,050,261.60 = 37,212,580.90 : x - Step 2: Convert to fraction form
68,152,633.05/94,050,261.60 = 37,212,580.90/x - Step 3: Cross multiply
68,152,633.05x = 94,050,261.60 × 37,212,580.90 - Step 4: Simplify right side
68,152,633.05x = 3,499,852,968,456,163 - Step 5: Solve for x
x = 3,499,852,968,456,163/68,152,633.05 - Step 6: Final answer
x = 51,353,158.52
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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.