Finding the Fourth Proportional to 206,075,707.60, 308,848,140.60 and 157,968,187.60
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Solution
The fourth proportional to 206,075,707.60, 308,848,140.60 and 157,968,187.60 is: 236,748,821.99
Step by Step Solution
- Step 1: Write the proportion equation
206,075,707.60 : 308,848,140.60 = 157,968,187.60 : x - Step 2: Convert to fraction form
206,075,707.60/308,848,140.60 = 157,968,187.60/x - Step 3: Cross multiply
206,075,707.60x = 308,848,140.60 × 157,968,187.60 - Step 4: Simplify right side
206,075,707.60x = 48,788,181,014,211,976 - Step 5: Solve for x
x = 48,788,181,014,211,976/206,075,707.60 - Step 6: Final answer
x = 236,748,821.99
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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.