Home / 372,481,769.37-558,704,080.92-139,295,337.75

Finding the Fourth Proportional to 372,481,769.37, 558,704,080.92 and 139,295,337.75

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Solution

The fourth proportional to 372,481,769.37, 558,704,080.92 and 139,295,337.75 is: 208,936,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481,769.37 : 558,704,080.92 = 139,295,337.75 : x
  2. Step 2: Convert to fraction form
    372,481,769.37/558,704,080.92 = 139,295,337.75/x
  3. Step 3: Cross multiply
    372,481,769.37x = 558,704,080.92 × 139,295,337.75
  4. Step 4: Simplify right side
    372,481,769.37x = 77,824,873,651,783,024
  5. Step 5: Solve for x
    x = 77,824,873,651,783,024/372,481,769.37
  6. Step 6: Final answer
    x = 208,936,060.91

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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.