Finding the Fourth Proportional to 229,849,361.84, 317,198,818.40 and 125,434,159.07
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Solution
The fourth proportional to 229,849,361.84, 317,198,818.40 and 125,434,159.07 is: 173,102,795.34
Step by Step Solution
- Step 1: Write the proportion equation
229,849,361.84 : 317,198,818.40 = 125,434,159.07 : x - Step 2: Convert to fraction form
229,849,361.84/317,198,818.40 = 125,434,159.07/x - Step 3: Cross multiply
229,849,361.84x = 317,198,818.40 × 125,434,159.07 - Step 4: Simplify right side
229,849,361.84x = 39,787,567,041,788,472 - Step 5: Solve for x
x = 39,787,567,041,788,472/229,849,361.84 - Step 6: Final answer
x = 173,102,795.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.