Home / 372,481,782.61-558,704,100.79-139,295,351.02

Finding the Fourth Proportional to 372,481,782.61, 558,704,100.79 and 139,295,351.02

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Solution

The fourth proportional to 372,481,782.61, 558,704,100.79 and 139,295,351.02 is: 208,936,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481,782.61 : 558,704,100.79 = 139,295,351.02 : x
  2. Step 2: Convert to fraction form
    372,481,782.61/558,704,100.79 = 139,295,351.02/x
  3. Step 3: Cross multiply
    372,481,782.61x = 558,704,100.79 × 139,295,351.02
  4. Step 4: Simplify right side
    372,481,782.61x = 77,824,883,835,856,512
  5. Step 5: Solve for x
    x = 77,824,883,835,856,512/372,481,782.61
  6. Step 6: Final answer
    x = 208,936,080.82

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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.