Home / 320,467,624.97-480,634,176.06-90,382,901.22

Finding the Fourth Proportional to 320,467,624.97, 480,634,176.06 and 90,382,901.22

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Solution

The fourth proportional to 320,467,624.97, 480,634,176.06 and 90,382,901.22 is: 135,555,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,467,624.97 : 480,634,176.06 = 90,382,901.22 : x
  2. Step 2: Convert to fraction form
    320,467,624.97/480,634,176.06 = 90,382,901.22/x
  3. Step 3: Cross multiply
    320,467,624.97x = 480,634,176.06 × 90,382,901.22
  4. Step 4: Simplify right side
    320,467,624.97x = 43,441,111,257,787,072
  5. Step 5: Solve for x
    x = 43,441,111,257,787,072/320,467,624.97
  6. Step 6: Final answer
    x = 135,555,381.80

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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.