Home / 219,858,317.40-330,112,901.70-123,007,459.80

Finding the Fourth Proportional to 219,858,317.40, 330,112,901.70 and 123,007,459.80

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Solution

The fourth proportional to 219,858,317.40, 330,112,901.70 and 123,007,459.80 is: 184,693,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,858,317.40 : 330,112,901.70 = 123,007,459.80 : x
  2. Step 2: Convert to fraction form
    219,858,317.40/330,112,901.70 = 123,007,459.80/x
  3. Step 3: Cross multiply
    219,858,317.40x = 330,112,901.70 × 123,007,459.80
  4. Step 4: Simplify right side
    219,858,317.40x = 40,606,349,485,324,096
  5. Step 5: Solve for x
    x = 40,606,349,485,324,096/219,858,317.40
  6. Step 6: Final answer
    x = 184,693,260.48

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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.