Home / 172,804,253.52-259,206,629.73-70,568,291.13

Finding the Fourth Proportional to 172,804,253.52, 259,206,629.73 and 70,568,291.13

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Solution

The fourth proportional to 172,804,253.52, 259,206,629.73 and 70,568,291.13 is: 105,852,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,804,253.52 : 259,206,629.73 = 70,568,291.13 : x
  2. Step 2: Convert to fraction form
    172,804,253.52/259,206,629.73 = 70,568,291.13/x
  3. Step 3: Cross multiply
    172,804,253.52x = 259,206,629.73 × 70,568,291.13
  4. Step 4: Simplify right side
    172,804,253.52x = 18,291,768,909,612,752
  5. Step 5: Solve for x
    x = 18,291,768,909,612,752/172,804,253.52
  6. Step 6: Final answer
    x = 105,852,538.56

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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.