Finding the Fourth Proportional to 127,852,841.24, 176,484,901.58 and 83,802,678.84
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Solution
The fourth proportional to 127,852,841.24, 176,484,901.58 and 83,802,678.84 is: 115,679,146.30
Step by Step Solution
- Step 1: Write the proportion equation
127,852,841.24 : 176,484,901.58 = 83,802,678.84 : x - Step 2: Convert to fraction form
127,852,841.24/176,484,901.58 = 83,802,678.84/x - Step 3: Cross multiply
127,852,841.24x = 176,484,901.58 × 83,802,678.84 - Step 4: Simplify right side
127,852,841.24x = 14,789,907,527,217,750 - Step 5: Solve for x
x = 14,789,907,527,217,750/127,852,841.24 - Step 6: Final answer
x = 115,679,146.30
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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.