Finding the Fourth Proportional to 107,645,163.60, 161,467,745.40 and 107,645,163.60
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Solution
The fourth proportional to 107,645,163.60, 161,467,745.40 and 107,645,163.60 is: 161,467,745.40
Step by Step Solution
- Step 1: Write the proportion equation
107,645,163.60 : 161,467,745.40 = 107,645,163.60 : x - Step 2: Convert to fraction form
107,645,163.60/161,467,745.40 = 107,645,163.60/x - Step 3: Cross multiply
107,645,163.60x = 161,467,745.40 × 107,645,163.60 - Step 4: Simplify right side
107,645,163.60x = 17,381,221,869,706,148 - Step 5: Solve for x
x = 17,381,221,869,706,148/107,645,163.60 - Step 6: Final answer
x = 161,467,745.40
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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.