Home / 276,131,126.64-381,069,053.23-150,691,421.85

Finding the Fourth Proportional to 276,131,126.64, 381,069,053.23 and 150,691,421.85

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Solution

The fourth proportional to 276,131,126.64, 381,069,053.23 and 150,691,421.85 is: 207,958,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,131,126.64 : 381,069,053.23 = 150,691,421.85 : x
  2. Step 2: Convert to fraction form
    276,131,126.64/381,069,053.23 = 150,691,421.85/x
  3. Step 3: Cross multiply
    276,131,126.64x = 381,069,053.23 × 150,691,421.85
  4. Step 4: Simplify right side
    276,131,126.64x = 57,423,837,453,395,048
  5. Step 5: Solve for x
    x = 57,423,837,453,395,048/276,131,126.64
  6. Step 6: Final answer
    x = 207,958,581.68

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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.