Home / 372,481,772.86-558,704,086.66-139,295,341.36

Finding the Fourth Proportional to 372,481,772.86, 558,704,086.66 and 139,295,341.36

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Solution

The fourth proportional to 372,481,772.86, 558,704,086.66 and 139,295,341.36 is: 208,936,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481,772.86 : 558,704,086.66 = 139,295,341.36 : x
  2. Step 2: Convert to fraction form
    372,481,772.86/558,704,086.66 = 139,295,341.36/x
  3. Step 3: Cross multiply
    372,481,772.86x = 558,704,086.66 × 139,295,341.36
  4. Step 4: Simplify right side
    372,481,772.86x = 77,824,876,470,531,728
  5. Step 5: Solve for x
    x = 77,824,876,470,531,728/372,481,772.86
  6. Step 6: Final answer
    x = 208,936,066.52

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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.