Finding the Fourth Proportional to 135,730,910.40, 203,596,365.60 and 125,877,163.20
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Solution
The fourth proportional to 135,730,910.40, 203,596,365.60 and 125,877,163.20 is: 188,815,744.80
Step by Step Solution
- Step 1: Write the proportion equation
135,730,910.40 : 203,596,365.60 = 125,877,163.20 : x - Step 2: Convert to fraction form
135,730,910.40/203,596,365.60 = 125,877,163.20/x - Step 3: Cross multiply
135,730,910.40x = 203,596,365.60 × 125,877,163.20 - Step 4: Simplify right side
135,730,910.40x = 25,628,132,939,558,064 - Step 5: Solve for x
x = 25,628,132,939,558,064/135,730,910.40 - Step 6: Final answer
x = 188,815,744.80
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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.