Home / 219,899,626.29-303,465,123-120,789,532.08

Finding the Fourth Proportional to 219,899,626.29, 303,465,123 and 120,789,532.08

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Solution

The fourth proportional to 219,899,626.29, 303,465,123 and 120,789,532.08 is: 166,691,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,899,626.29 : 303,465,123 = 120,789,532.08 : x
  2. Step 2: Convert to fraction form
    219,899,626.29/303,465,123 = 120,789,532.08/x
  3. Step 3: Cross multiply
    219,899,626.29x = 303,465,123 × 120,789,532.08
  4. Step 4: Simplify right side
    219,899,626.29x = 36,655,410,209,769,648
  5. Step 5: Solve for x
    x = 36,655,410,209,769,648/219,899,626.29
  6. Step 6: Final answer
    x = 166,691,553.00

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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.