Finding the Fourth Proportional to 168,187,888.09, 252,338,639.46 and 105,986,043.28
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Solution
The fourth proportional to 168,187,888.09, 252,338,639.46 and 105,986,043.28 is: 159,014,862.88
Step by Step Solution
- Step 1: Write the proportion equation
168,187,888.09 : 252,338,639.46 = 105,986,043.28 : x - Step 2: Convert to fraction form
168,187,888.09/252,338,639.46 = 105,986,043.28/x - Step 3: Cross multiply
168,187,888.09x = 252,338,639.46 × 105,986,043.28 - Step 4: Simplify right side
168,187,888.09x = 26,744,373,961,232,256 - Step 5: Solve for x
x = 26,744,373,961,232,256/168,187,888.09 - Step 6: Final answer
x = 159,014,862.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.