Home / 189,078,015.39-260,927,899.54-104,303,217.44

Finding the Fourth Proportional to 189,078,015.39, 260,927,899.54 and 104,303,217.44

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Solution

The fourth proportional to 189,078,015.39, 260,927,899.54 and 104,303,217.44 is: 143,938,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,078,015.39 : 260,927,899.54 = 104,303,217.44 : x
  2. Step 2: Convert to fraction form
    189,078,015.39/260,927,899.54 = 104,303,217.44/x
  3. Step 3: Cross multiply
    189,078,015.39x = 260,927,899.54 × 104,303,217.44
  4. Step 4: Simplify right side
    189,078,015.39x = 27,215,619,442,861,884
  5. Step 5: Solve for x
    x = 27,215,619,442,861,884/189,078,015.39
  6. Step 6: Final answer
    x = 143,938,571.53

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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.