Finding the Fourth Proportional to 143,947,629.36, 198,441,119.99 and 102,622,777.20
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Solution
The fourth proportional to 143,947,629.36, 198,441,119.99 and 102,622,777.20 is: 141,472,137.71
Step by Step Solution
- Step 1: Write the proportion equation
143,947,629.36 : 198,441,119.99 = 102,622,777.20 : x - Step 2: Convert to fraction form
143,947,629.36/198,441,119.99 = 102,622,777.20/x - Step 3: Cross multiply
143,947,629.36x = 198,441,119.99 × 102,622,777.20 - Step 4: Simplify right side
143,947,629.36x = 20,364,578,844,308,796 - Step 5: Solve for x
x = 20,364,578,844,308,796/143,947,629.36 - Step 6: Final answer
x = 141,472,137.71
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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.