Home / 219,899,622.54-303,465,117.83-120,789,528.33

Finding the Fourth Proportional to 219,899,622.54, 303,465,117.83 and 120,789,528.33

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Solution

The fourth proportional to 219,899,622.54, 303,465,117.83 and 120,789,528.33 is: 166,691,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,899,622.54 : 303,465,117.83 = 120,789,528.33 : x
  2. Step 2: Convert to fraction form
    219,899,622.54/303,465,117.83 = 120,789,528.33/x
  3. Step 3: Cross multiply
    219,899,622.54x = 303,465,117.83 × 120,789,528.33
  4. Step 4: Simplify right side
    219,899,622.54x = 36,655,408,446,689,624
  5. Step 5: Solve for x
    x = 36,655,408,446,689,624/219,899,622.54
  6. Step 6: Final answer
    x = 166,691,547.82

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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.