Finding the Fourth Proportional to 127,785,842.52, 191,610,568.84 and 66,313,107.08
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Solution
The fourth proportional to 127,785,842.52, 191,610,568.84 and 66,313,107.08 is: 99,434,271.58
Step by Step Solution
- Step 1: Write the proportion equation
127,785,842.52 : 191,610,568.84 = 66,313,107.08 : x - Step 2: Convert to fraction form
127,785,842.52/191,610,568.84 = 66,313,107.08/x - Step 3: Cross multiply
127,785,842.52x = 191,610,568.84 × 66,313,107.08 - Step 4: Simplify right side
127,785,842.52x = 12,706,292,169,146,632 - Step 5: Solve for x
x = 12,706,292,169,146,632/127,785,842.52 - Step 6: Final answer
x = 99,434,271.58
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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.