Finding the Fourth Proportional to 172,388,991.60, 258,709,458.60 and 121,370,655.60
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Solution
The fourth proportional to 172,388,991.60, 258,709,458.60 and 121,370,655.60 is: 182,144,673.56
Step by Step Solution
- Step 1: Write the proportion equation
172,388,991.60 : 258,709,458.60 = 121,370,655.60 : x - Step 2: Convert to fraction form
172,388,991.60/258,709,458.60 = 121,370,655.60/x - Step 3: Cross multiply
172,388,991.60x = 258,709,458.60 × 121,370,655.60 - Step 4: Simplify right side
172,388,991.60x = 31,399,736,600,203,056 - Step 5: Solve for x
x = 31,399,736,600,203,056/172,388,991.60 - Step 6: Final answer
x = 182,144,673.56
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