Finding the Fourth Proportional to 313,686,063.12, 432,898,711.68 and 174,466,891.92
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Solution
The fourth proportional to 313,686,063.12, 432,898,711.68 and 174,466,891.92 is: 240,770,954.22
Step by Step Solution
- Step 1: Write the proportion equation
313,686,063.12 : 432,898,711.68 = 174,466,891.92 : x - Step 2: Convert to fraction form
313,686,063.12/432,898,711.68 = 174,466,891.92/x - Step 3: Cross multiply
313,686,063.12x = 432,898,711.68 × 174,466,891.92 - Step 4: Simplify right side
313,686,063.12x = 75,526,492,742,981,792 - Step 5: Solve for x
x = 75,526,492,742,981,792/313,686,063.12 - Step 6: Final answer
x = 240,770,954.22
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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.