Home / 213,858,665.24-320,824,212.95-73,761,081.50

Finding the Fourth Proportional to 213,858,665.24, 320,824,212.95 and 73,761,081.50

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Solution

The fourth proportional to 213,858,665.24, 320,824,212.95 and 73,761,081.50 is: 110,654,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,858,665.24 : 320,824,212.95 = 73,761,081.50 : x
  2. Step 2: Convert to fraction form
    213,858,665.24/320,824,212.95 = 73,761,081.50/x
  3. Step 3: Cross multiply
    213,858,665.24x = 320,824,212.95 × 73,761,081.50
  4. Step 4: Simplify right side
    213,858,665.24x = 23,664,340,919,564,768
  5. Step 5: Solve for x
    x = 23,664,340,919,564,768/213,858,665.24
  6. Step 6: Final answer
    x = 110,654,113.05

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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.