Home / 119,622,769.70-165,079,569.12-64,618,626.20

Finding the Fourth Proportional to 119,622,769.70, 165,079,569.12 and 64,618,626.20

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Solution

The fourth proportional to 119,622,769.70, 165,079,569.12 and 64,618,626.20 is: 89,173,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,622,769.70 : 165,079,569.12 = 64,618,626.20 : x
  2. Step 2: Convert to fraction form
    119,622,769.70/165,079,569.12 = 64,618,626.20/x
  3. Step 3: Cross multiply
    119,622,769.70x = 165,079,569.12 × 64,618,626.20
  4. Step 4: Simplify right side
    119,622,769.70x = 10,667,214,970,222,344
  5. Step 5: Solve for x
    x = 10,667,214,970,222,344/119,622,769.70
  6. Step 6: Final answer
    x = 89,173,783.53

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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.