Home / 187,351,097.34-258,571,571.42-107,950,957.61

Finding the Fourth Proportional to 187,351,097.34, 258,571,571.42 and 107,950,957.61

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Solution

The fourth proportional to 187,351,097.34, 258,571,571.42 and 107,950,957.61 is: 148,987,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,351,097.34 : 258,571,571.42 = 107,950,957.61 : x
  2. Step 2: Convert to fraction form
    187,351,097.34/258,571,571.42 = 107,950,957.61/x
  3. Step 3: Cross multiply
    187,351,097.34x = 258,571,571.42 × 107,950,957.61
  4. Step 4: Simplify right side
    187,351,097.34x = 27,913,048,743,678,896
  5. Step 5: Solve for x
    x = 27,913,048,743,678,896/187,351,097.34
  6. Step 6: Final answer
    x = 148,987,911.68

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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.