Finding the Fourth Proportional to 165,858,922.19, 228,968,176.37 and 103,155,231.96
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Solution
The fourth proportional to 165,858,922.19, 228,968,176.37 and 103,155,231.96 is: 142,405,756.84
Step by Step Solution
- Step 1: Write the proportion equation
165,858,922.19 : 228,968,176.37 = 103,155,231.96 : x - Step 2: Convert to fraction form
165,858,922.19/228,968,176.37 = 103,155,231.96/x - Step 3: Cross multiply
165,858,922.19x = 228,968,176.37 × 103,155,231.96 - Step 4: Simplify right side
165,858,922.19x = 23,619,265,343,244,924 - Step 5: Solve for x
x = 23,619,265,343,244,924/165,858,922.19 - Step 6: Final answer
x = 142,405,756.84
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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.