Home / 252,661,806.70-378,992,710.05-154,451,509.90

Finding the Fourth Proportional to 252,661,806.70, 378,992,710.05 and 154,451,509.90

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Solution

The fourth proportional to 252,661,806.70, 378,992,710.05 and 154,451,509.90 is: 231,677,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,661,806.70 : 378,992,710.05 = 154,451,509.90 : x
  2. Step 2: Convert to fraction form
    252,661,806.70/378,992,710.05 = 154,451,509.90/x
  3. Step 3: Cross multiply
    252,661,806.70x = 378,992,710.05 × 154,451,509.90
  4. Step 4: Simplify right side
    252,661,806.70x = 58,535,996,308,315,408
  5. Step 5: Solve for x
    x = 58,535,996,308,315,408/252,661,806.70
  6. Step 6: Final answer
    x = 231,677,264.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.