Finding the Fourth Proportional to 129,807,940.24, 179,127,860.70 and 71,059,240.18
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Solution
The fourth proportional to 129,807,940.24, 179,127,860.70 and 71,059,240.18 is: 98,057,866.51
Step by Step Solution
- Step 1: Write the proportion equation
129,807,940.24 : 179,127,860.70 = 71,059,240.18 : x - Step 2: Convert to fraction form
129,807,940.24/179,127,860.70 = 71,059,240.18/x - Step 3: Cross multiply
129,807,940.24x = 179,127,860.70 × 71,059,240.18 - Step 4: Simplify right side
129,807,940.24x = 12,728,689,676,410,884 - Step 5: Solve for x
x = 12,728,689,676,410,884/129,807,940.24 - Step 6: Final answer
x = 98,057,866.51
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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.