Finding the Fourth Proportional to 239,852,666.56, 330,996,786.72 and 129,844,376
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Solution
The fourth proportional to 239,852,666.56, 330,996,786.72 and 129,844,376 is: 179,185,296.73
Step by Step Solution
- Step 1: Write the proportion equation
239,852,666.56 : 330,996,786.72 = 129,844,376 : x - Step 2: Convert to fraction form
239,852,666.56/330,996,786.72 = 129,844,376/x - Step 3: Cross multiply
239,852,666.56x = 330,996,786.72 × 129,844,376 - Step 4: Simplify right side
239,852,666.56x = 42,978,071,229,663,488 - Step 5: Solve for x
x = 42,978,071,229,663,488/239,852,666.56 - Step 6: Final answer
x = 179,185,296.73
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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.