Home / 258,177,653.64-356,297,794.61-145,182,709.94

Finding the Fourth Proportional to 258,177,653.64, 356,297,794.61 and 145,182,709.94

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Solution

The fourth proportional to 258,177,653.64, 356,297,794.61 and 145,182,709.94 is: 200,359,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,177,653.64 : 356,297,794.61 = 145,182,709.94 : x
  2. Step 2: Convert to fraction form
    258,177,653.64/356,297,794.61 = 145,182,709.94/x
  3. Step 3: Cross multiply
    258,177,653.64x = 356,297,794.61 × 145,182,709.94
  4. Step 4: Simplify right side
    258,177,653.64x = 51,728,279,364,617,928
  5. Step 5: Solve for x
    x = 51,728,279,364,617,928/258,177,653.64
  6. Step 6: Final answer
    x = 200,359,243.47

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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.