Home / 253,923,704.06-350,418,551.10-142,439,257.76

Finding the Fourth Proportional to 253,923,704.06, 350,418,551.10 and 142,439,257.76

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Solution

The fourth proportional to 253,923,704.06, 350,418,551.10 and 142,439,257.76 is: 196,568,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,923,704.06 : 350,418,551.10 = 142,439,257.76 : x
  2. Step 2: Convert to fraction form
    253,923,704.06/350,418,551.10 = 142,439,257.76/x
  3. Step 3: Cross multiply
    253,923,704.06x = 350,418,551.10 × 142,439,257.76
  4. Step 4: Simplify right side
    253,923,704.06x = 49,913,358,324,018,632
  5. Step 5: Solve for x
    x = 49,913,358,324,018,632/253,923,704.06
  6. Step 6: Final answer
    x = 196,568,329.49

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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.