Home / 372,481,788.15-558,704,109-139,295,356.56

Finding the Fourth Proportional to 372,481,788.15, 558,704,109 and 139,295,356.56

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Solution

The fourth proportional to 372,481,788.15, 558,704,109 and 139,295,356.56 is: 208,936,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481,788.15 : 558,704,109 = 139,295,356.56 : x
  2. Step 2: Convert to fraction form
    372,481,788.15/558,704,109 = 139,295,356.56/x
  3. Step 3: Cross multiply
    372,481,788.15x = 558,704,109 × 139,295,356.56
  4. Step 4: Simplify right side
    372,481,788.15x = 77,824,888,074,692,112
  5. Step 5: Solve for x
    x = 77,824,888,074,692,112/372,481,788.15
  6. Step 6: Final answer
    x = 208,936,089.09

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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.