Finding the Fourth Proportional to 68,323,904.20, 102,485,856.30 and 27,963,353.80
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Solution
The fourth proportional to 68,323,904.20, 102,485,856.30 and 27,963,353.80 is: 41,945,030.70
Step by Step Solution
- Step 1: Write the proportion equation
68,323,904.20 : 102,485,856.30 = 27,963,353.80 : x - Step 2: Convert to fraction form
68,323,904.20/102,485,856.30 = 27,963,353.80/x - Step 3: Cross multiply
68,323,904.20x = 102,485,856.30 × 27,963,353.80 - Step 4: Simplify right side
68,323,904.20x = 2,865,848,259,212,859 - Step 5: Solve for x
x = 2,865,848,259,212,859/68,323,904.20 - Step 6: Final answer
x = 41,945,030.70
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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.