Home / 213,555,953.25-320,301,563.56-58,121,873.57

Finding the Fourth Proportional to 213,555,953.25, 320,301,563.56 and 58,121,873.57

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Solution

The fourth proportional to 213,555,953.25, 320,301,563.56 and 58,121,873.57 is: 87,174,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,555,953.25 : 320,301,563.56 = 58,121,873.57 : x
  2. Step 2: Convert to fraction form
    213,555,953.25/320,301,563.56 = 58,121,873.57/x
  3. Step 3: Cross multiply
    213,555,953.25x = 320,301,563.56 × 58,121,873.57
  4. Step 4: Simplify right side
    213,555,953.25x = 18,616,526,981,507,640
  5. Step 5: Solve for x
    x = 18,616,526,981,507,640/213,555,953.25
  6. Step 6: Final answer
    x = 87,174,001.47

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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.