Home / 219,621,571.80-303,078,344.60-119,150,003.76

Finding the Fourth Proportional to 219,621,571.80, 303,078,344.60 and 119,150,003.76

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Solution

The fourth proportional to 219,621,571.80, 303,078,344.60 and 119,150,003.76 is: 164,427,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,621,571.80 : 303,078,344.60 = 119,150,003.76 : x
  2. Step 2: Convert to fraction form
    219,621,571.80/303,078,344.60 = 119,150,003.76/x
  3. Step 3: Cross multiply
    219,621,571.80x = 303,078,344.60 × 119,150,003.76
  4. Step 4: Simplify right side
    219,621,571.80x = 36,111,785,898,343,936
  5. Step 5: Solve for x
    x = 36,111,785,898,343,936/219,621,571.80
  6. Step 6: Final answer
    x = 164,427,317.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.