Finding the Fourth Proportional to 165,858,907.36, 228,968,157.36 and 103,155,216.52
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Solution
The fourth proportional to 165,858,907.36, 228,968,157.36 and 103,155,216.52 is: 142,405,736.45
Step by Step Solution
- Step 1: Write the proportion equation
165,858,907.36 : 228,968,157.36 = 103,155,216.52 : x - Step 2: Convert to fraction form
165,858,907.36/228,968,157.36 = 103,155,216.52/x - Step 3: Cross multiply
165,858,907.36x = 228,968,157.36 × 103,155,216.52 - Step 4: Simplify right side
165,858,907.36x = 23,619,259,848,656,232 - Step 5: Solve for x
x = 23,619,259,848,656,232/165,858,907.36 - Step 6: Final answer
x = 142,405,736.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.