Finding the Fourth Proportional to 127,986,642.63, 176,620,309.41 and 69,248,018.94
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Solution
The fourth proportional to 127,986,642.63, 176,620,309.41 and 69,248,018.94 is: 95,561,585.80
Step by Step Solution
- Step 1: Write the proportion equation
127,986,642.63 : 176,620,309.41 = 69,248,018.94 : x - Step 2: Convert to fraction form
127,986,642.63/176,620,309.41 = 69,248,018.94/x - Step 3: Cross multiply
127,986,642.63x = 176,620,309.41 × 69,248,018.94 - Step 4: Simplify right side
127,986,642.63x = 12,230,606,530,809,694 - Step 5: Solve for x
x = 12,230,606,530,809,694/127,986,642.63 - Step 6: Final answer
x = 95,561,585.80
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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.