Home / 46,331,128.38-69,515,967.33-20,410,162.86

Finding the Fourth Proportional to 46,331,128.38, 69,515,967.33 and 20,410,162.86

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Solution

The fourth proportional to 46,331,128.38, 69,515,967.33 and 20,410,162.86 is: 30,623,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,331,128.38 : 69,515,967.33 = 20,410,162.86 : x
  2. Step 2: Convert to fraction form
    46,331,128.38/69,515,967.33 = 20,410,162.86/x
  3. Step 3: Cross multiply
    46,331,128.38x = 69,515,967.33 × 20,410,162.86
  4. Step 4: Simplify right side
    46,331,128.38x = 1,418,832,214,575,739.25
  5. Step 5: Solve for x
    x = 1,418,832,214,575,739.25/46,331,128.38
  6. Step 6: Final answer
    x = 30,623,735.36

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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.