Finding the Fourth Proportional to 240,586,040.21, 331,951,829.97 and 136,164,108.47
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Solution
The fourth proportional to 240,586,040.21, 331,951,829.97 and 136,164,108.47 is: 187,874,262.96
Step by Step Solution
- Step 1: Write the proportion equation
240,586,040.21 : 331,951,829.97 = 136,164,108.47 : x - Step 2: Convert to fraction form
240,586,040.21/331,951,829.97 = 136,164,108.47/x - Step 3: Cross multiply
240,586,040.21x = 331,951,829.97 × 136,164,108.47 - Step 4: Simplify right side
240,586,040.21x = 45,199,924,982,850,080 - Step 5: Solve for x
x = 45,199,924,982,850,080/240,586,040.21 - Step 6: Final answer
x = 187,874,262.96
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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.